Home / 11,034.72-15,230.28-7,055.28

Finding the Fourth Proportional to 11,034.72, 15,230.28 and 7,055.28

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Solution

The fourth proportional to 11,034.72, 15,230.28 and 7,055.28 is: 9,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,034.72 : 15,230.28 = 7,055.28 : x
  2. Step 2: Convert to fraction form
    11,034.72/15,230.28 = 7,055.28/x
  3. Step 3: Cross multiply
    11,034.72x = 15,230.28 × 7,055.28
  4. Step 4: Simplify right side
    11,034.72x = 107,453,889.88
  5. Step 5: Solve for x
    x = 107,453,889.88/11,034.72
  6. Step 6: Final answer
    x = 9,737.80

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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.