Home / 10,461.52-15,693.96-3,439.49

Finding the Fourth Proportional to 10,461.52, 15,693.96 and 3,439.49

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Solution

The fourth proportional to 10,461.52, 15,693.96 and 3,439.49 is: 5,159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.52 : 15,693.96 = 3,439.49 : x
  2. Step 2: Convert to fraction form
    10,461.52/15,693.96 = 3,439.49/x
  3. Step 3: Cross multiply
    10,461.52x = 15,693.96 × 3,439.49
  4. Step 4: Simplify right side
    10,461.52x = 53,979,218.48
  5. Step 5: Solve for x
    x = 53,979,218.48/10,461.52
  6. Step 6: Final answer
    x = 5,159.79

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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.