Home / 12,708.74-17,522.81-10,937.30

Finding the Fourth Proportional to 12,708.74, 17,522.81 and 10,937.30

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Solution

The fourth proportional to 12,708.74, 17,522.81 and 10,937.30 is: 15,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.74 : 17,522.81 = 10,937.30 : x
  2. Step 2: Convert to fraction form
    12,708.74/17,522.81 = 10,937.30/x
  3. Step 3: Cross multiply
    12,708.74x = 17,522.81 × 10,937.30
  4. Step 4: Simplify right side
    12,708.74x = 191,652,229.81
  5. Step 5: Solve for x
    x = 191,652,229.81/12,708.74
  6. Step 6: Final answer
    x = 15,080.35

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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.