Home / 9,369.24-12,929.70-5,177.52

Finding the Fourth Proportional to 9,369.24, 12,929.70 and 5,177.52

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Solution

The fourth proportional to 9,369.24, 12,929.70 and 5,177.52 is: 7,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369.24 : 12,929.70 = 5,177.52 : x
  2. Step 2: Convert to fraction form
    9,369.24/12,929.70 = 5,177.52/x
  3. Step 3: Cross multiply
    9,369.24x = 12,929.70 × 5,177.52
  4. Step 4: Simplify right side
    9,369.24x = 66,943,780.34
  5. Step 5: Solve for x
    x = 66,943,780.34/9,369.24
  6. Step 6: Final answer
    x = 7,145.06

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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.