Home / 9,333.16-12,881.44-5,355.59

Finding the Fourth Proportional to 9,333.16, 12,881.44 and 5,355.59

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Solution

The fourth proportional to 9,333.16, 12,881.44 and 5,355.59 is: 7,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.16 : 12,881.44 = 5,355.59 : x
  2. Step 2: Convert to fraction form
    9,333.16/12,881.44 = 5,355.59/x
  3. Step 3: Cross multiply
    9,333.16x = 12,881.44 × 5,355.59
  4. Step 4: Simplify right side
    9,333.16x = 68,987,711.25
  5. Step 5: Solve for x
    x = 68,987,711.25/9,333.16
  6. Step 6: Final answer
    x = 7,391.68

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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.