Home / 11,080.36-15,284.10-7,545.16

Finding the Fourth Proportional to 11,080.36, 15,284.10 and 7,545.16

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Solution

The fourth proportional to 11,080.36, 15,284.10 and 7,545.16 is: 10,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.36 : 15,284.10 = 7,545.16 : x
  2. Step 2: Convert to fraction form
    11,080.36/15,284.10 = 7,545.16/x
  3. Step 3: Cross multiply
    11,080.36x = 15,284.10 × 7,545.16
  4. Step 4: Simplify right side
    11,080.36x = 115,320,979.96
  5. Step 5: Solve for x
    x = 115,320,979.96/11,080.36
  6. Step 6: Final answer
    x = 10,407.69

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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.