Home / 7,917.76-10,926.54-4,332.82

Finding the Fourth Proportional to 7,917.76, 10,926.54 and 4,332.82

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Solution

The fourth proportional to 7,917.76, 10,926.54 and 4,332.82 is: 5,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.76 : 10,926.54 = 4,332.82 : x
  2. Step 2: Convert to fraction form
    7,917.76/10,926.54 = 4,332.82/x
  3. Step 3: Cross multiply
    7,917.76x = 10,926.54 × 4,332.82
  4. Step 4: Simplify right side
    7,917.76x = 47,342,731.04
  5. Step 5: Solve for x
    x = 47,342,731.04/7,917.76
  6. Step 6: Final answer
    x = 5,979.31

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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.