Home / 7,883.32-10,877.10-4,479.58

Finding the Fourth Proportional to 7,883.32, 10,877.10 and 4,479.58

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Solution

The fourth proportional to 7,883.32, 10,877.10 and 4,479.58 is: 6,180.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.32 : 10,877.10 = 4,479.58 : x
  2. Step 2: Convert to fraction form
    7,883.32/10,877.10 = 4,479.58/x
  3. Step 3: Cross multiply
    7,883.32x = 10,877.10 × 4,479.58
  4. Step 4: Simplify right side
    7,883.32x = 48,724,839.62
  5. Step 5: Solve for x
    x = 48,724,839.62/7,883.32
  6. Step 6: Final answer
    x = 6,180.75

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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.