Home / 8,756.59-12,084.44-4,980.10

Finding the Fourth Proportional to 8,756.59, 12,084.44 and 4,980.10

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Solution

The fourth proportional to 8,756.59, 12,084.44 and 4,980.10 is: 6,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.59 : 12,084.44 = 4,980.10 : x
  2. Step 2: Convert to fraction form
    8,756.59/12,084.44 = 4,980.10/x
  3. Step 3: Cross multiply
    8,756.59x = 12,084.44 × 4,980.10
  4. Step 4: Simplify right side
    8,756.59x = 60,181,715.20
  5. Step 5: Solve for x
    x = 60,181,715.20/8,756.59
  6. Step 6: Final answer
    x = 6,872.73

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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.