Home / 11,003.65-15,176.57-7,417.27

Finding the Fourth Proportional to 11,003.65, 15,176.57 and 7,417.27

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Solution

The fourth proportional to 11,003.65, 15,176.57 and 7,417.27 is: 10,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.65 : 15,176.57 = 7,417.27 : x
  2. Step 2: Convert to fraction form
    11,003.65/15,176.57 = 7,417.27/x
  3. Step 3: Cross multiply
    11,003.65x = 15,176.57 × 7,417.27
  4. Step 4: Simplify right side
    11,003.65x = 112,568,699.25
  5. Step 5: Solve for x
    x = 112,568,699.25/11,003.65
  6. Step 6: Final answer
    x = 10,230.13

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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.