Home / 11,549.46-15,937.65-6,513.69

Finding the Fourth Proportional to 11,549.46, 15,937.65 and 6,513.69

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Solution

The fourth proportional to 11,549.46, 15,937.65 and 6,513.69 is: 8,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,549.46 : 15,937.65 = 6,513.69 : x
  2. Step 2: Convert to fraction form
    11,549.46/15,937.65 = 6,513.69/x
  3. Step 3: Cross multiply
    11,549.46x = 15,937.65 × 6,513.69
  4. Step 4: Simplify right side
    11,549.46x = 103,812,911.43
  5. Step 5: Solve for x
    x = 103,812,911.43/11,549.46
  6. Step 6: Final answer
    x = 8,988.55

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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.