Home / 9,075.78-12,524.18-5,299.15

Finding the Fourth Proportional to 9,075.78, 12,524.18 and 5,299.15

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Solution

The fourth proportional to 9,075.78, 12,524.18 and 5,299.15 is: 7,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.78 : 12,524.18 = 5,299.15 : x
  2. Step 2: Convert to fraction form
    9,075.78/12,524.18 = 5,299.15/x
  3. Step 3: Cross multiply
    9,075.78x = 12,524.18 × 5,299.15
  4. Step 4: Simplify right side
    9,075.78x = 66,367,508.45
  5. Step 5: Solve for x
    x = 66,367,508.45/9,075.78
  6. Step 6: Final answer
    x = 7,312.60

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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.