Home / 9,113.92-12,577.85-5,081.10

Finding the Fourth Proportional to 9,113.92, 12,577.85 and 5,081.10

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Solution

The fourth proportional to 9,113.92, 12,577.85 and 5,081.10 is: 7,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.92 : 12,577.85 = 5,081.10 : x
  2. Step 2: Convert to fraction form
    9,113.92/12,577.85 = 5,081.10/x
  3. Step 3: Cross multiply
    9,113.92x = 12,577.85 × 5,081.10
  4. Step 4: Simplify right side
    9,113.92x = 63,909,260.12
  5. Step 5: Solve for x
    x = 63,909,260.12/9,113.92
  6. Step 6: Final answer
    x = 7,012.27

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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.