Home / 9,511.59-13,110.26-7,149.63

Finding the Fourth Proportional to 9,511.59, 13,110.26 and 7,149.63

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Solution

The fourth proportional to 9,511.59, 13,110.26 and 7,149.63 is: 9,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.59 : 13,110.26 = 7,149.63 : x
  2. Step 2: Convert to fraction form
    9,511.59/13,110.26 = 7,149.63/x
  3. Step 3: Cross multiply
    9,511.59x = 13,110.26 × 7,149.63
  4. Step 4: Simplify right side
    9,511.59x = 93,733,508.20
  5. Step 5: Solve for x
    x = 93,733,508.20/9,511.59
  6. Step 6: Final answer
    x = 9,854.66

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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.