Home / 9,551.76-13,179.96-5,359.20

Finding the Fourth Proportional to 9,551.76, 13,179.96 and 5,359.20

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Solution

The fourth proportional to 9,551.76, 13,179.96 and 5,359.20 is: 7,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,551.76 : 13,179.96 = 5,359.20 : x
  2. Step 2: Convert to fraction form
    9,551.76/13,179.96 = 5,359.20/x
  3. Step 3: Cross multiply
    9,551.76x = 13,179.96 × 5,359.20
  4. Step 4: Simplify right side
    9,551.76x = 70,634,041.63
  5. Step 5: Solve for x
    x = 70,634,041.63/9,551.76
  6. Step 6: Final answer
    x = 7,394.87

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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.