Home / 9,098.46-12,555.59-5,119.79

Finding the Fourth Proportional to 9,098.46, 12,555.59 and 5,119.79

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Solution

The fourth proportional to 9,098.46, 12,555.59 and 5,119.79 is: 7,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,098.46 : 12,555.59 = 5,119.79 : x
  2. Step 2: Convert to fraction form
    9,098.46/12,555.59 = 5,119.79/x
  3. Step 3: Cross multiply
    9,098.46x = 12,555.59 × 5,119.79
  4. Step 4: Simplify right side
    9,098.46x = 64,281,895.75
  5. Step 5: Solve for x
    x = 64,281,895.75/9,098.46
  6. Step 6: Final answer
    x = 7,065.14

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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.