Home / 12,411.48-18,617.46-9,934.80

Finding the Fourth Proportional to 12,411.48, 18,617.46 and 9,934.80

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Solution

The fourth proportional to 12,411.48, 18,617.46 and 9,934.80 is: 14,902.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411.48 : 18,617.46 = 9,934.80 : x
  2. Step 2: Convert to fraction form
    12,411.48/18,617.46 = 9,934.80/x
  3. Step 3: Cross multiply
    12,411.48x = 18,617.46 × 9,934.80
  4. Step 4: Simplify right side
    12,411.48x = 184,960,741.61
  5. Step 5: Solve for x
    x = 184,960,741.61/12,411.48
  6. Step 6: Final answer
    x = 14,902.39

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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.