Home / 13,053.29-18,013.55-7,084.96

Finding the Fourth Proportional to 13,053.29, 18,013.55 and 7,084.96

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Solution

The fourth proportional to 13,053.29, 18,013.55 and 7,084.96 is: 9,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.29 : 18,013.55 = 7,084.96 : x
  2. Step 2: Convert to fraction form
    13,053.29/18,013.55 = 7,084.96/x
  3. Step 3: Cross multiply
    13,053.29x = 18,013.55 × 7,084.96
  4. Step 4: Simplify right side
    13,053.29x = 127,625,240.60
  5. Step 5: Solve for x
    x = 127,625,240.60/13,053.29
  6. Step 6: Final answer
    x = 9,777.25

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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.