Home / 8,960.11-12,370.48-5,774.53

Finding the Fourth Proportional to 8,960.11, 12,370.48 and 5,774.53

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Solution

The fourth proportional to 8,960.11, 12,370.48 and 5,774.53 is: 7,972.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.11 : 12,370.48 = 5,774.53 : x
  2. Step 2: Convert to fraction form
    8,960.11/12,370.48 = 5,774.53/x
  3. Step 3: Cross multiply
    8,960.11x = 12,370.48 × 5,774.53
  4. Step 4: Simplify right side
    8,960.11x = 71,433,707.87
  5. Step 5: Solve for x
    x = 71,433,707.87/8,960.11
  6. Step 6: Final answer
    x = 7,972.41

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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.