Home / 12,298.48-18,402.36-7,371.60

Finding the Fourth Proportional to 12,298.48, 18,402.36 and 7,371.60

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Solution

The fourth proportional to 12,298.48, 18,402.36 and 7,371.60 is: 11,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.48 : 18,402.36 = 7,371.60 : x
  2. Step 2: Convert to fraction form
    12,298.48/18,402.36 = 7,371.60/x
  3. Step 3: Cross multiply
    12,298.48x = 18,402.36 × 7,371.60
  4. Step 4: Simplify right side
    12,298.48x = 135,654,836.98
  5. Step 5: Solve for x
    x = 135,654,836.98/12,298.48
  6. Step 6: Final answer
    x = 11,030.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.