Home / 10,655.10-15,982.65-4,730.59

Finding the Fourth Proportional to 10,655.10, 15,982.65 and 4,730.59

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Solution

The fourth proportional to 10,655.10, 15,982.65 and 4,730.59 is: 7,095.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.10 : 15,982.65 = 4,730.59 : x
  2. Step 2: Convert to fraction form
    10,655.10/15,982.65 = 4,730.59/x
  3. Step 3: Cross multiply
    10,655.10x = 15,982.65 × 4,730.59
  4. Step 4: Simplify right side
    10,655.10x = 75,607,433.48
  5. Step 5: Solve for x
    x = 75,607,433.48/10,655.10
  6. Step 6: Final answer
    x = 7,095.89

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Similar ratio
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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.