Home / 12,368.40-18,553.20-4,046.76

Finding the Fourth Proportional to 12,368.40, 18,553.20 and 4,046.76

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Solution

The fourth proportional to 12,368.40, 18,553.20 and 4,046.76 is: 6,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.40 : 18,553.20 = 4,046.76 : x
  2. Step 2: Convert to fraction form
    12,368.40/18,553.20 = 4,046.76/x
  3. Step 3: Cross multiply
    12,368.40x = 18,553.20 × 4,046.76
  4. Step 4: Simplify right side
    12,368.40x = 75,080,347.63
  5. Step 5: Solve for x
    x = 75,080,347.63/12,368.40
  6. Step 6: Final answer
    x = 6,070.34

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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.