Home / 10,922.18-15,073.90-6,894.86

Finding the Fourth Proportional to 10,922.18, 15,073.90 and 6,894.86

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Solution

The fourth proportional to 10,922.18, 15,073.90 and 6,894.86 is: 9,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.18 : 15,073.90 = 6,894.86 : x
  2. Step 2: Convert to fraction form
    10,922.18/15,073.90 = 6,894.86/x
  3. Step 3: Cross multiply
    10,922.18x = 15,073.90 × 6,894.86
  4. Step 4: Simplify right side
    10,922.18x = 103,932,337.55
  5. Step 5: Solve for x
    x = 103,932,337.55/10,922.18
  6. Step 6: Final answer
    x = 9,515.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.