Home / 12,359.68-18,531.88-4,566.40

Finding the Fourth Proportional to 12,359.68, 18,531.88 and 4,566.40

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Solution

The fourth proportional to 12,359.68, 18,531.88 and 4,566.40 is: 6,846.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.68 : 18,531.88 = 4,566.40 : x
  2. Step 2: Convert to fraction form
    12,359.68/18,531.88 = 4,566.40/x
  3. Step 3: Cross multiply
    12,359.68x = 18,531.88 × 4,566.40
  4. Step 4: Simplify right side
    12,359.68x = 84,623,976.83
  5. Step 5: Solve for x
    x = 84,623,976.83/12,359.68
  6. Step 6: Final answer
    x = 6,846.78

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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.