Home / 10,637.61-14,679.87-5,921.88

Finding the Fourth Proportional to 10,637.61, 14,679.87 and 5,921.88

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Solution

The fourth proportional to 10,637.61, 14,679.87 and 5,921.88 is: 8,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.61 : 14,679.87 = 5,921.88 : x
  2. Step 2: Convert to fraction form
    10,637.61/14,679.87 = 5,921.88/x
  3. Step 3: Cross multiply
    10,637.61x = 14,679.87 × 5,921.88
  4. Step 4: Simplify right side
    10,637.61x = 86,932,428.56
  5. Step 5: Solve for x
    x = 86,932,428.56/10,637.61
  6. Step 6: Final answer
    x = 8,172.18

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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.