Home / 10,637.60-14,679.36-5,921.92

Finding the Fourth Proportional to 10,637.60, 14,679.36 and 5,921.92

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Solution

The fourth proportional to 10,637.60, 14,679.36 and 5,921.92 is: 8,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.60 : 14,679.36 = 5,921.92 : x
  2. Step 2: Convert to fraction form
    10,637.60/14,679.36 = 5,921.92/x
  3. Step 3: Cross multiply
    10,637.60x = 14,679.36 × 5,921.92
  4. Step 4: Simplify right side
    10,637.60x = 86,929,995.57
  5. Step 5: Solve for x
    x = 86,929,995.57/10,637.60
  6. Step 6: Final answer
    x = 8,171.96

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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.