Home / 7,079.20-9,764.14-4,838.74

Finding the Fourth Proportional to 7,079.20, 9,764.14 and 4,838.74

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Solution

The fourth proportional to 7,079.20, 9,764.14 and 4,838.74 is: 6,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.20 : 9,764.14 = 4,838.74 : x
  2. Step 2: Convert to fraction form
    7,079.20/9,764.14 = 4,838.74/x
  3. Step 3: Cross multiply
    7,079.20x = 9,764.14 × 4,838.74
  4. Step 4: Simplify right side
    7,079.20x = 47,246,061.77
  5. Step 5: Solve for x
    x = 47,246,061.77/7,079.20
  6. Step 6: Final answer
    x = 6,673.93

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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.