Home / 9,400.88-12,973.38-5,151.66

Finding the Fourth Proportional to 9,400.88, 12,973.38 and 5,151.66

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Solution

The fourth proportional to 9,400.88, 12,973.38 and 5,151.66 is: 7,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400.88 : 12,973.38 = 5,151.66 : x
  2. Step 2: Convert to fraction form
    9,400.88/12,973.38 = 5,151.66/x
  3. Step 3: Cross multiply
    9,400.88x = 12,973.38 × 5,151.66
  4. Step 4: Simplify right side
    9,400.88x = 66,834,442.81
  5. Step 5: Solve for x
    x = 66,834,442.81/9,400.88
  6. Step 6: Final answer
    x = 7,109.39

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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.