Home / 7,952.40-10,974.96-4,807.44

Finding the Fourth Proportional to 7,952.40, 10,974.96 and 4,807.44

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Solution

The fourth proportional to 7,952.40, 10,974.96 and 4,807.44 is: 6,634.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.40 : 10,974.96 = 4,807.44 : x
  2. Step 2: Convert to fraction form
    7,952.40/10,974.96 = 4,807.44/x
  3. Step 3: Cross multiply
    7,952.40x = 10,974.96 × 4,807.44
  4. Step 4: Simplify right side
    7,952.40x = 52,761,461.70
  5. Step 5: Solve for x
    x = 52,761,461.70/7,952.40
  6. Step 6: Final answer
    x = 6,634.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.