Home / 8,770.02-12,102.89-4,791.39

Finding the Fourth Proportional to 8,770.02, 12,102.89 and 4,791.39

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Solution

The fourth proportional to 8,770.02, 12,102.89 and 4,791.39 is: 6,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.02 : 12,102.89 = 4,791.39 : x
  2. Step 2: Convert to fraction form
    8,770.02/12,102.89 = 4,791.39/x
  3. Step 3: Cross multiply
    8,770.02x = 12,102.89 × 4,791.39
  4. Step 4: Simplify right side
    8,770.02x = 57,989,581.65
  5. Step 5: Solve for x
    x = 57,989,581.65/8,770.02
  6. Step 6: Final answer
    x = 6,612.26

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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.