Home / 12,335.10-18,502.65-4,940.70

Finding the Fourth Proportional to 12,335.10, 18,502.65 and 4,940.70

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Solution

The fourth proportional to 12,335.10, 18,502.65 and 4,940.70 is: 7,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.10 : 18,502.65 = 4,940.70 : x
  2. Step 2: Convert to fraction form
    12,335.10/18,502.65 = 4,940.70/x
  3. Step 3: Cross multiply
    12,335.10x = 18,502.65 × 4,940.70
  4. Step 4: Simplify right side
    12,335.10x = 91,416,042.86
  5. Step 5: Solve for x
    x = 91,416,042.86/12,335.10
  6. Step 6: Final answer
    x = 7,411.05

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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.