Home / 12,547.30-18,817.68-5,960.38

Finding the Fourth Proportional to 12,547.30, 18,817.68 and 5,960.38

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Solution

The fourth proportional to 12,547.30, 18,817.68 and 5,960.38 is: 8,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.30 : 18,817.68 = 5,960.38 : x
  2. Step 2: Convert to fraction form
    12,547.30/18,817.68 = 5,960.38/x
  3. Step 3: Cross multiply
    12,547.30x = 18,817.68 × 5,960.38
  4. Step 4: Simplify right side
    12,547.30x = 112,160,523.52
  5. Step 5: Solve for x
    x = 112,160,523.52/12,547.30
  6. Step 6: Final answer
    x = 8,939.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.