Home / 9,306.48-12,842.64-5,114.46

Finding the Fourth Proportional to 9,306.48, 12,842.64 and 5,114.46

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Solution

The fourth proportional to 9,306.48, 12,842.64 and 5,114.46 is: 7,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.48 : 12,842.64 = 5,114.46 : x
  2. Step 2: Convert to fraction form
    9,306.48/12,842.64 = 5,114.46/x
  3. Step 3: Cross multiply
    9,306.48x = 12,842.64 × 5,114.46
  4. Step 4: Simplify right side
    9,306.48x = 65,683,168.57
  5. Step 5: Solve for x
    x = 65,683,168.57/9,306.48
  6. Step 6: Final answer
    x = 7,057.79

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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.