Home / 10,341.60-15,512.40-9,337.20

Finding the Fourth Proportional to 10,341.60, 15,512.40 and 9,337.20

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Solution

The fourth proportional to 10,341.60, 15,512.40 and 9,337.20 is: 14,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.60 : 15,512.40 = 9,337.20 : x
  2. Step 2: Convert to fraction form
    10,341.60/15,512.40 = 9,337.20/x
  3. Step 3: Cross multiply
    10,341.60x = 15,512.40 × 9,337.20
  4. Step 4: Simplify right side
    10,341.60x = 144,842,381.28
  5. Step 5: Solve for x
    x = 144,842,381.28/10,341.60
  6. Step 6: Final answer
    x = 14,005.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.