Home / 7,856.33-10,831.20-6,732.41

Finding the Fourth Proportional to 7,856.33, 10,831.20 and 6,732.41

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Solution

The fourth proportional to 7,856.33, 10,831.20 and 6,732.41 is: 9,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856.33 : 10,831.20 = 6,732.41 : x
  2. Step 2: Convert to fraction form
    7,856.33/10,831.20 = 6,732.41/x
  3. Step 3: Cross multiply
    7,856.33x = 10,831.20 × 6,732.41
  4. Step 4: Simplify right side
    7,856.33x = 72,920,079.19
  5. Step 5: Solve for x
    x = 72,920,079.19/7,856.33
  6. Step 6: Final answer
    x = 9,281.70

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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.