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Finding the Fourth Proportional to 8,075.16, 11,163.60 and 8,001.24

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Solution

The fourth proportional to 8,075.16, 11,163.60 and 8,001.24 is: 11,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.16 : 11,163.60 = 8,001.24 : x
  2. Step 2: Convert to fraction form
    8,075.16/11,163.60 = 8,001.24/x
  3. Step 3: Cross multiply
    8,075.16x = 11,163.60 × 8,001.24
  4. Step 4: Simplify right side
    8,075.16x = 89,322,642.86
  5. Step 5: Solve for x
    x = 89,322,642.86/8,075.16
  6. Step 6: Final answer
    x = 11,061.41

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Half scale
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Double scale
Find fourth proportional to 8,076.16, 11,164.98 and 8,002.24
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.