Home / 10,459.60-14,432.04-5,982.20

Finding the Fourth Proportional to 10,459.60, 14,432.04 and 5,982.20

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Solution

The fourth proportional to 10,459.60, 14,432.04 and 5,982.20 is: 8,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459.60 : 14,432.04 = 5,982.20 : x
  2. Step 2: Convert to fraction form
    10,459.60/14,432.04 = 5,982.20/x
  3. Step 3: Cross multiply
    10,459.60x = 14,432.04 × 5,982.20
  4. Step 4: Simplify right side
    10,459.60x = 86,335,349.69
  5. Step 5: Solve for x
    x = 86,335,349.69/10,459.60
  6. Step 6: Final answer
    x = 8,254.17

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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.