Home / 10,668.15-15,995.37-4,432.47

Finding the Fourth Proportional to 10,668.15, 15,995.37 and 4,432.47

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Solution

The fourth proportional to 10,668.15, 15,995.37 and 4,432.47 is: 6,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.15 : 15,995.37 = 4,432.47 : x
  2. Step 2: Convert to fraction form
    10,668.15/15,995.37 = 4,432.47/x
  3. Step 3: Cross multiply
    10,668.15x = 15,995.37 × 4,432.47
  4. Step 4: Simplify right side
    10,668.15x = 70,898,917.69
  5. Step 5: Solve for x
    x = 70,898,917.69/10,668.15
  6. Step 6: Final answer
    x = 6,645.85

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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.