Home / 10,883.74-16,312.29-7,746.76

Finding the Fourth Proportional to 10,883.74, 16,312.29 and 7,746.76

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Solution

The fourth proportional to 10,883.74, 16,312.29 and 7,746.76 is: 11,610.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.74 : 16,312.29 = 7,746.76 : x
  2. Step 2: Convert to fraction form
    10,883.74/16,312.29 = 7,746.76/x
  3. Step 3: Cross multiply
    10,883.74x = 16,312.29 × 7,746.76
  4. Step 4: Simplify right side
    10,883.74x = 126,367,432.90
  5. Step 5: Solve for x
    x = 126,367,432.90/10,883.74
  6. Step 6: Final answer
    x = 11,610.66

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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.