Home / 9,518.77-13,134.07-6,161.11

Finding the Fourth Proportional to 9,518.77, 13,134.07 and 6,161.11

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Solution

The fourth proportional to 9,518.77, 13,134.07 and 6,161.11 is: 8,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.77 : 13,134.07 = 6,161.11 : x
  2. Step 2: Convert to fraction form
    9,518.77/13,134.07 = 6,161.11/x
  3. Step 3: Cross multiply
    9,518.77x = 13,134.07 × 6,161.11
  4. Step 4: Simplify right side
    9,518.77x = 80,920,510.32
  5. Step 5: Solve for x
    x = 80,920,510.32/9,518.77
  6. Step 6: Final answer
    x = 8,501.16

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Half scale
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Double scale
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Similar ratio
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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.