Home / 9,155.42-13,740.40-3,610.16

Finding the Fourth Proportional to 9,155.42, 13,740.40 and 3,610.16

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Solution

The fourth proportional to 9,155.42, 13,740.40 and 3,610.16 is: 5,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.42 : 13,740.40 = 3,610.16 : x
  2. Step 2: Convert to fraction form
    9,155.42/13,740.40 = 3,610.16/x
  3. Step 3: Cross multiply
    9,155.42x = 13,740.40 × 3,610.16
  4. Step 4: Simplify right side
    9,155.42x = 49,605,042.46
  5. Step 5: Solve for x
    x = 49,605,042.46/9,155.42
  6. Step 6: Final answer
    x = 5,418.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.