Home / 9,549.13-13,177.84-5,357.38

Finding the Fourth Proportional to 9,549.13, 13,177.84 and 5,357.38

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Solution

The fourth proportional to 9,549.13, 13,177.84 and 5,357.38 is: 7,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,549.13 : 13,177.84 = 5,357.38 : x
  2. Step 2: Convert to fraction form
    9,549.13/13,177.84 = 5,357.38/x
  3. Step 3: Cross multiply
    9,549.13x = 13,177.84 × 5,357.38
  4. Step 4: Simplify right side
    9,549.13x = 70,598,696.46
  5. Step 5: Solve for x
    x = 70,598,696.46/9,549.13
  6. Step 6: Final answer
    x = 7,393.21

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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.