Home / 9,326.12-12,868.54-5,346.50

Finding the Fourth Proportional to 9,326.12, 12,868.54 and 5,346.50

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Solution

The fourth proportional to 9,326.12, 12,868.54 and 5,346.50 is: 7,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.12 : 12,868.54 = 5,346.50 : x
  2. Step 2: Convert to fraction form
    9,326.12/12,868.54 = 5,346.50/x
  3. Step 3: Cross multiply
    9,326.12x = 12,868.54 × 5,346.50
  4. Step 4: Simplify right side
    9,326.12x = 68,801,649.11
  5. Step 5: Solve for x
    x = 68,801,649.11/9,326.12
  6. Step 6: Final answer
    x = 7,377.31

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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.