Home / 11,548.80-15,937.02-7,072.92

Finding the Fourth Proportional to 11,548.80, 15,937.02 and 7,072.92

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Solution

The fourth proportional to 11,548.80, 15,937.02 and 7,072.92 is: 9,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,548.80 : 15,937.02 = 7,072.92 : x
  2. Step 2: Convert to fraction form
    11,548.80/15,937.02 = 7,072.92/x
  3. Step 3: Cross multiply
    11,548.80x = 15,937.02 × 7,072.92
  4. Step 4: Simplify right side
    11,548.80x = 112,721,267.50
  5. Step 5: Solve for x
    x = 112,721,267.50/11,548.80
  6. Step 6: Final answer
    x = 9,760.43

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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.