Home / 10,317.86-15,472.90-4,079.24

Finding the Fourth Proportional to 10,317.86, 15,472.90 and 4,079.24

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Solution

The fourth proportional to 10,317.86, 15,472.90 and 4,079.24 is: 6,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.86 : 15,472.90 = 4,079.24 : x
  2. Step 2: Convert to fraction form
    10,317.86/15,472.90 = 4,079.24/x
  3. Step 3: Cross multiply
    10,317.86x = 15,472.90 × 4,079.24
  4. Step 4: Simplify right side
    10,317.86x = 63,117,672.60
  5. Step 5: Solve for x
    x = 63,117,672.60/10,317.86
  6. Step 6: Final answer
    x = 6,117.32

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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.