Home / 12,298.11-18,459.72-9,001.41

Finding the Fourth Proportional to 12,298.11, 18,459.72 and 9,001.41

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Solution

The fourth proportional to 12,298.11, 18,459.72 and 9,001.41 is: 13,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.11 : 18,459.72 = 9,001.41 : x
  2. Step 2: Convert to fraction form
    12,298.11/18,459.72 = 9,001.41/x
  3. Step 3: Cross multiply
    12,298.11x = 18,459.72 × 9,001.41
  4. Step 4: Simplify right side
    12,298.11x = 166,163,508.21
  5. Step 5: Solve for x
    x = 166,163,508.21/12,298.11
  6. Step 6: Final answer
    x = 13,511.30

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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.