Home / 13,088.12-18,062.01-7,119.44

Finding the Fourth Proportional to 13,088.12, 18,062.01 and 7,119.44

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Solution

The fourth proportional to 13,088.12, 18,062.01 and 7,119.44 is: 9,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.12 : 18,062.01 = 7,119.44 : x
  2. Step 2: Convert to fraction form
    13,088.12/18,062.01 = 7,119.44/x
  3. Step 3: Cross multiply
    13,088.12x = 18,062.01 × 7,119.44
  4. Step 4: Simplify right side
    13,088.12x = 128,591,306.16
  5. Step 5: Solve for x
    x = 128,591,306.16/13,088.12
  6. Step 6: Final answer
    x = 9,825.04

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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.