Home / 7,456.70-10,287.98-4,312.46

Finding the Fourth Proportional to 7,456.70, 10,287.98 and 4,312.46

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Solution

The fourth proportional to 7,456.70, 10,287.98 and 4,312.46 is: 5,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.70 : 10,287.98 = 4,312.46 : x
  2. Step 2: Convert to fraction form
    7,456.70/10,287.98 = 4,312.46/x
  3. Step 3: Cross multiply
    7,456.70x = 10,287.98 × 4,312.46
  4. Step 4: Simplify right side
    7,456.70x = 44,366,502.23
  5. Step 5: Solve for x
    x = 44,366,502.23/7,456.70
  6. Step 6: Final answer
    x = 5,949.88

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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.