Home / 9,548.13-13,176.51-5,356.47

Finding the Fourth Proportional to 9,548.13, 13,176.51 and 5,356.47

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Solution

The fourth proportional to 9,548.13, 13,176.51 and 5,356.47 is: 7,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,548.13 : 13,176.51 = 5,356.47 : x
  2. Step 2: Convert to fraction form
    9,548.13/13,176.51 = 5,356.47/x
  3. Step 3: Cross multiply
    9,548.13x = 13,176.51 × 5,356.47
  4. Step 4: Simplify right side
    9,548.13x = 70,579,487.85
  5. Step 5: Solve for x
    x = 70,579,487.85/9,548.13
  6. Step 6: Final answer
    x = 7,391.97

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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.