Home / 12,298.15-18,451.11-4,400.48

Finding the Fourth Proportional to 12,298.15, 18,451.11 and 4,400.48

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Solution

The fourth proportional to 12,298.15, 18,451.11 and 4,400.48 is: 6,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.15 : 18,451.11 = 4,400.48 : x
  2. Step 2: Convert to fraction form
    12,298.15/18,451.11 = 4,400.48/x
  3. Step 3: Cross multiply
    12,298.15x = 18,451.11 × 4,400.48
  4. Step 4: Simplify right side
    12,298.15x = 81,193,803.16
  5. Step 5: Solve for x
    x = 81,193,803.16/12,298.15
  6. Step 6: Final answer
    x = 6,602.11

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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.