Home / 12,335.49-18,500.15-4,840.57

Finding the Fourth Proportional to 12,335.49, 18,500.15 and 4,840.57

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Solution

The fourth proportional to 12,335.49, 18,500.15 and 4,840.57 is: 7,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.49 : 18,500.15 = 4,840.57 : x
  2. Step 2: Convert to fraction form
    12,335.49/18,500.15 = 4,840.57/x
  3. Step 3: Cross multiply
    12,335.49x = 18,500.15 × 4,840.57
  4. Step 4: Simplify right side
    12,335.49x = 89,551,306.31
  5. Step 5: Solve for x
    x = 89,551,306.31/12,335.49
  6. Step 6: Final answer
    x = 7,259.65

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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.