Home / 13,298.59-18,351.83-7,248.90

Finding the Fourth Proportional to 13,298.59, 18,351.83 and 7,248.90

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Solution

The fourth proportional to 13,298.59, 18,351.83 and 7,248.90 is: 10,003.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.59 : 18,351.83 = 7,248.90 : x
  2. Step 2: Convert to fraction form
    13,298.59/18,351.83 = 7,248.90/x
  3. Step 3: Cross multiply
    13,298.59x = 18,351.83 × 7,248.90
  4. Step 4: Simplify right side
    13,298.59x = 133,030,592.39
  5. Step 5: Solve for x
    x = 133,030,592.39/13,298.59
  6. Step 6: Final answer
    x = 10,003.36

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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.