Home / 13,013.48-17,958.45-7,045.02

Finding the Fourth Proportional to 13,013.48, 17,958.45 and 7,045.02

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Solution

The fourth proportional to 13,013.48, 17,958.45 and 7,045.02 is: 9,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.48 : 17,958.45 = 7,045.02 : x
  2. Step 2: Convert to fraction form
    13,013.48/17,958.45 = 7,045.02/x
  3. Step 3: Cross multiply
    13,013.48x = 17,958.45 × 7,045.02
  4. Step 4: Simplify right side
    13,013.48x = 126,517,639.42
  5. Step 5: Solve for x
    x = 126,517,639.42/13,013.48
  6. Step 6: Final answer
    x = 9,722.05

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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.