Home / 10,400.40-14,353.20-5,925.96

Finding the Fourth Proportional to 10,400.40, 14,353.20 and 5,925.96

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Solution

The fourth proportional to 10,400.40, 14,353.20 and 5,925.96 is: 8,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.40 : 14,353.20 = 5,925.96 : x
  2. Step 2: Convert to fraction form
    10,400.40/14,353.20 = 5,925.96/x
  3. Step 3: Cross multiply
    10,400.40x = 14,353.20 × 5,925.96
  4. Step 4: Simplify right side
    10,400.40x = 85,056,489.07
  5. Step 5: Solve for x
    x = 85,056,489.07/10,400.40
  6. Step 6: Final answer
    x = 8,178.19

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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.