Home / 11,269.44-15,549.80-7,237.08

Finding the Fourth Proportional to 11,269.44, 15,549.80 and 7,237.08

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Solution

The fourth proportional to 11,269.44, 15,549.80 and 7,237.08 is: 9,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.44 : 15,549.80 = 7,237.08 : x
  2. Step 2: Convert to fraction form
    11,269.44/15,549.80 = 7,237.08/x
  3. Step 3: Cross multiply
    11,269.44x = 15,549.80 × 7,237.08
  4. Step 4: Simplify right side
    11,269.44x = 112,535,110.40
  5. Step 5: Solve for x
    x = 112,535,110.40/11,269.44
  6. Step 6: Final answer
    x = 9,985.87

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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.