Home / 10,725.60-16,088.40-2,935.20

Finding the Fourth Proportional to 10,725.60, 16,088.40 and 2,935.20

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Solution

The fourth proportional to 10,725.60, 16,088.40 and 2,935.20 is: 4,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.60 : 16,088.40 = 2,935.20 : x
  2. Step 2: Convert to fraction form
    10,725.60/16,088.40 = 2,935.20/x
  3. Step 3: Cross multiply
    10,725.60x = 16,088.40 × 2,935.20
  4. Step 4: Simplify right side
    10,725.60x = 47,222,671.68
  5. Step 5: Solve for x
    x = 47,222,671.68/10,725.60
  6. Step 6: Final answer
    x = 4,402.80

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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.