Home / 12,452.48-18,679.12-5,056.77

Finding the Fourth Proportional to 12,452.48, 18,679.12 and 5,056.77

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Solution

The fourth proportional to 12,452.48, 18,679.12 and 5,056.77 is: 7,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.48 : 18,679.12 = 5,056.77 : x
  2. Step 2: Convert to fraction form
    12,452.48/18,679.12 = 5,056.77/x
  3. Step 3: Cross multiply
    12,452.48x = 18,679.12 × 5,056.77
  4. Step 4: Simplify right side
    12,452.48x = 94,456,001.00
  5. Step 5: Solve for x
    x = 94,456,001.00/12,452.48
  6. Step 6: Final answer
    x = 7,585.32

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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.