Home / 9,113.14-12,577.34-5,135.04

Finding the Fourth Proportional to 9,113.14, 12,577.34 and 5,135.04

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Solution

The fourth proportional to 9,113.14, 12,577.34 and 5,135.04 is: 7,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.14 : 12,577.34 = 5,135.04 : x
  2. Step 2: Convert to fraction form
    9,113.14/12,577.34 = 5,135.04/x
  3. Step 3: Cross multiply
    9,113.14x = 12,577.34 × 5,135.04
  4. Step 4: Simplify right side
    9,113.14x = 64,585,143.99
  5. Step 5: Solve for x
    x = 64,585,143.99/9,113.14
  6. Step 6: Final answer
    x = 7,087.04

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Double scale
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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.