Home / 9,557.52-13,189.56-5,308.80

Finding the Fourth Proportional to 9,557.52, 13,189.56 and 5,308.80

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Solution

The fourth proportional to 9,557.52, 13,189.56 and 5,308.80 is: 7,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,557.52 : 13,189.56 = 5,308.80 : x
  2. Step 2: Convert to fraction form
    9,557.52/13,189.56 = 5,308.80/x
  3. Step 3: Cross multiply
    9,557.52x = 13,189.56 × 5,308.80
  4. Step 4: Simplify right side
    9,557.52x = 70,020,736.13
  5. Step 5: Solve for x
    x = 70,020,736.13/9,557.52
  6. Step 6: Final answer
    x = 7,326.25

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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.