Home / 10,915.68-16,294.11-10,104.24

Finding the Fourth Proportional to 10,915.68, 16,294.11 and 10,104.24

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Solution

The fourth proportional to 10,915.68, 16,294.11 and 10,104.24 is: 15,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.68 : 16,294.11 = 10,104.24 : x
  2. Step 2: Convert to fraction form
    10,915.68/16,294.11 = 10,104.24/x
  3. Step 3: Cross multiply
    10,915.68x = 16,294.11 × 10,104.24
  4. Step 4: Simplify right side
    10,915.68x = 164,639,598.03
  5. Step 5: Solve for x
    x = 164,639,598.03/10,915.68
  6. Step 6: Final answer
    x = 15,082.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.