Home / 12,398.60-18,597.87-4,501.11

Finding the Fourth Proportional to 12,398.60, 18,597.87 and 4,501.11

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Solution

The fourth proportional to 12,398.60, 18,597.87 and 4,501.11 is: 6,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398.60 : 18,597.87 = 4,501.11 : x
  2. Step 2: Convert to fraction form
    12,398.60/18,597.87 = 4,501.11/x
  3. Step 3: Cross multiply
    12,398.60x = 18,597.87 × 4,501.11
  4. Step 4: Simplify right side
    12,398.60x = 83,711,023.76
  5. Step 5: Solve for x
    x = 83,711,023.76/12,398.60
  6. Step 6: Final answer
    x = 6,751.65

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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.