Home / 10,306.93-15,449.66-7,836.56

Finding the Fourth Proportional to 10,306.93, 15,449.66 and 7,836.56

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Solution

The fourth proportional to 10,306.93, 15,449.66 and 7,836.56 is: 11,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.93 : 15,449.66 = 7,836.56 : x
  2. Step 2: Convert to fraction form
    10,306.93/15,449.66 = 7,836.56/x
  3. Step 3: Cross multiply
    10,306.93x = 15,449.66 × 7,836.56
  4. Step 4: Simplify right side
    10,306.93x = 121,072,148.39
  5. Step 5: Solve for x
    x = 121,072,148.39/10,306.93
  6. Step 6: Final answer
    x = 11,746.68

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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.