Home / 10,386.20-15,569.58-5,759.48

Finding the Fourth Proportional to 10,386.20, 15,569.58 and 5,759.48

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Solution

The fourth proportional to 10,386.20, 15,569.58 and 5,759.48 is: 8,633.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.20 : 15,569.58 = 5,759.48 : x
  2. Step 2: Convert to fraction form
    10,386.20/15,569.58 = 5,759.48/x
  3. Step 3: Cross multiply
    10,386.20x = 15,569.58 × 5,759.48
  4. Step 4: Simplify right side
    10,386.20x = 89,672,684.62
  5. Step 5: Solve for x
    x = 89,672,684.62/10,386.20
  6. Step 6: Final answer
    x = 8,633.83

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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.