Home / 11,045.11-15,247.22-7,270.25

Finding the Fourth Proportional to 11,045.11, 15,247.22 and 7,270.25

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Solution

The fourth proportional to 11,045.11, 15,247.22 and 7,270.25 is: 10,036.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.11 : 15,247.22 = 7,270.25 : x
  2. Step 2: Convert to fraction form
    11,045.11/15,247.22 = 7,270.25/x
  3. Step 3: Cross multiply
    11,045.11x = 15,247.22 × 7,270.25
  4. Step 4: Simplify right side
    11,045.11x = 110,851,101.21
  5. Step 5: Solve for x
    x = 110,851,101.21/11,045.11
  6. Step 6: Final answer
    x = 10,036.22

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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.