Home / 12,040.32-18,046.62-4,641.51

Finding the Fourth Proportional to 12,040.32, 18,046.62 and 4,641.51

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Solution

The fourth proportional to 12,040.32, 18,046.62 and 4,641.51 is: 6,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.32 : 18,046.62 = 4,641.51 : x
  2. Step 2: Convert to fraction form
    12,040.32/18,046.62 = 4,641.51/x
  3. Step 3: Cross multiply
    12,040.32x = 18,046.62 × 4,641.51
  4. Step 4: Simplify right side
    12,040.32x = 83,763,567.20
  5. Step 5: Solve for x
    x = 83,763,567.20/12,040.32
  6. Step 6: Final answer
    x = 6,956.92

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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.