Home / 12,715.28-17,547.08-7,050.03

Finding the Fourth Proportional to 12,715.28, 17,547.08 and 7,050.03

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Solution

The fourth proportional to 12,715.28, 17,547.08 and 7,050.03 is: 9,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.28 : 17,547.08 = 7,050.03 : x
  2. Step 2: Convert to fraction form
    12,715.28/17,547.08 = 7,050.03/x
  3. Step 3: Cross multiply
    12,715.28x = 17,547.08 × 7,050.03
  4. Step 4: Simplify right side
    12,715.28x = 123,707,440.41
  5. Step 5: Solve for x
    x = 123,707,440.41/12,715.28
  6. Step 6: Final answer
    x = 9,729.04

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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.