Home / 12,251.40-18,368.10-4,852.20

Finding the Fourth Proportional to 12,251.40, 18,368.10 and 4,852.20

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Solution

The fourth proportional to 12,251.40, 18,368.10 and 4,852.20 is: 7,274.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.40 : 18,368.10 = 4,852.20 : x
  2. Step 2: Convert to fraction form
    12,251.40/18,368.10 = 4,852.20/x
  3. Step 3: Cross multiply
    12,251.40x = 18,368.10 × 4,852.20
  4. Step 4: Simplify right side
    12,251.40x = 89,125,694.82
  5. Step 5: Solve for x
    x = 89,125,694.82/12,251.40
  6. Step 6: Final answer
    x = 7,274.74

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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.