Home / 8,770.16-12,103.01-4,791.53

Finding the Fourth Proportional to 8,770.16, 12,103.01 and 4,791.53

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Solution

The fourth proportional to 8,770.16, 12,103.01 and 4,791.53 is: 6,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.16 : 12,103.01 = 4,791.53 : x
  2. Step 2: Convert to fraction form
    8,770.16/12,103.01 = 4,791.53/x
  3. Step 3: Cross multiply
    8,770.16x = 12,103.01 × 4,791.53
  4. Step 4: Simplify right side
    8,770.16x = 57,991,941.81
  5. Step 5: Solve for x
    x = 57,991,941.81/8,770.16
  6. Step 6: Final answer
    x = 6,612.41

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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.