Home / 11,349.59-17,019.20-4,772.18

Finding the Fourth Proportional to 11,349.59, 17,019.20 and 4,772.18

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Solution

The fourth proportional to 11,349.59, 17,019.20 and 4,772.18 is: 7,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.59 : 17,019.20 = 4,772.18 : x
  2. Step 2: Convert to fraction form
    11,349.59/17,019.20 = 4,772.18/x
  3. Step 3: Cross multiply
    11,349.59x = 17,019.20 × 4,772.18
  4. Step 4: Simplify right side
    11,349.59x = 81,218,740.33
  5. Step 5: Solve for x
    x = 81,218,740.33/11,349.59
  6. Step 6: Final answer
    x = 7,156.10

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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.