Home / 10,901.97-15,046.36-6,655.50

Finding the Fourth Proportional to 10,901.97, 15,046.36 and 6,655.50

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Solution

The fourth proportional to 10,901.97, 15,046.36 and 6,655.50 is: 9,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.97 : 15,046.36 = 6,655.50 : x
  2. Step 2: Convert to fraction form
    10,901.97/15,046.36 = 6,655.50/x
  3. Step 3: Cross multiply
    10,901.97x = 15,046.36 × 6,655.50
  4. Step 4: Simplify right side
    10,901.97x = 100,141,048.98
  5. Step 5: Solve for x
    x = 100,141,048.98/10,901.97
  6. Step 6: Final answer
    x = 9,185.59

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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.