Home / 7,605.12-10,497.96-5,722.18

Finding the Fourth Proportional to 7,605.12, 10,497.96 and 5,722.18

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Solution

The fourth proportional to 7,605.12, 10,497.96 and 5,722.18 is: 7,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.12 : 10,497.96 = 5,722.18 : x
  2. Step 2: Convert to fraction form
    7,605.12/10,497.96 = 5,722.18/x
  3. Step 3: Cross multiply
    7,605.12x = 10,497.96 × 5,722.18
  4. Step 4: Simplify right side
    7,605.12x = 60,071,207.96
  5. Step 5: Solve for x
    x = 60,071,207.96/7,605.12
  6. Step 6: Final answer
    x = 7,898.78

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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.