Home / 9,095.15-12,550.61-5,115.47

Finding the Fourth Proportional to 9,095.15, 12,550.61 and 5,115.47

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Solution

The fourth proportional to 9,095.15, 12,550.61 and 5,115.47 is: 7,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,095.15 : 12,550.61 = 5,115.47 : x
  2. Step 2: Convert to fraction form
    9,095.15/12,550.61 = 5,115.47/x
  3. Step 3: Cross multiply
    9,095.15x = 12,550.61 × 5,115.47
  4. Step 4: Simplify right side
    9,095.15x = 64,202,243.36
  5. Step 5: Solve for x
    x = 64,202,243.36/9,095.15
  6. Step 6: Final answer
    x = 7,058.95

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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.