Home / 9,053.07-13,517.67-8,109.92

Finding the Fourth Proportional to 9,053.07, 13,517.67 and 8,109.92

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Solution

The fourth proportional to 9,053.07, 13,517.67 and 8,109.92 is: 12,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053.07 : 13,517.67 = 8,109.92 : x
  2. Step 2: Convert to fraction form
    9,053.07/13,517.67 = 8,109.92/x
  3. Step 3: Cross multiply
    9,053.07x = 13,517.67 × 8,109.92
  4. Step 4: Simplify right side
    9,053.07x = 109,627,215.53
  5. Step 5: Solve for x
    x = 109,627,215.53/9,053.07
  6. Step 6: Final answer
    x = 12,109.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.