Home / 12,368.32-18,549.60-4,046.20

Finding the Fourth Proportional to 12,368.32, 18,549.60 and 4,046.20

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Solution

The fourth proportional to 12,368.32, 18,549.60 and 4,046.20 is: 6,068.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.32 : 18,549.60 = 4,046.20 : x
  2. Step 2: Convert to fraction form
    12,368.32/18,549.60 = 4,046.20/x
  3. Step 3: Cross multiply
    12,368.32x = 18,549.60 × 4,046.20
  4. Step 4: Simplify right side
    12,368.32x = 75,055,391.52
  5. Step 5: Solve for x
    x = 75,055,391.52/12,368.32
  6. Step 6: Final answer
    x = 6,068.36

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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.