Home / 9,901.02-13,663.44-5,424.73

Finding the Fourth Proportional to 9,901.02, 13,663.44 and 5,424.73

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Solution

The fourth proportional to 9,901.02, 13,663.44 and 5,424.73 is: 7,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901.02 : 13,663.44 = 5,424.73 : x
  2. Step 2: Convert to fraction form
    9,901.02/13,663.44 = 5,424.73/x
  3. Step 3: Cross multiply
    9,901.02x = 13,663.44 × 5,424.73
  4. Step 4: Simplify right side
    9,901.02x = 74,120,472.87
  5. Step 5: Solve for x
    x = 74,120,472.87/9,901.02
  6. Step 6: Final answer
    x = 7,486.15

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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.