Home / 10,251.81-14,147.60-5,775.66

Finding the Fourth Proportional to 10,251.81, 14,147.60 and 5,775.66

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Solution

The fourth proportional to 10,251.81, 14,147.60 and 5,775.66 is: 7,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.81 : 14,147.60 = 5,775.66 : x
  2. Step 2: Convert to fraction form
    10,251.81/14,147.60 = 5,775.66/x
  3. Step 3: Cross multiply
    10,251.81x = 14,147.60 × 5,775.66
  4. Step 4: Simplify right side
    10,251.81x = 81,711,698.54
  5. Step 5: Solve for x
    x = 81,711,698.54/10,251.81
  6. Step 6: Final answer
    x = 7,970.47

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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.