Home / 10,290.06-15,432.03-4,366.86

Finding the Fourth Proportional to 10,290.06, 15,432.03 and 4,366.86

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Solution

The fourth proportional to 10,290.06, 15,432.03 and 4,366.86 is: 6,548.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.06 : 15,432.03 = 4,366.86 : x
  2. Step 2: Convert to fraction form
    10,290.06/15,432.03 = 4,366.86/x
  3. Step 3: Cross multiply
    10,290.06x = 15,432.03 × 4,366.86
  4. Step 4: Simplify right side
    10,290.06x = 67,389,514.53
  5. Step 5: Solve for x
    x = 67,389,514.53/10,290.06
  6. Step 6: Final answer
    x = 6,548.99

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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.