Home / 7,407.36-11,088.36-5,327.28

Finding the Fourth Proportional to 7,407.36, 11,088.36 and 5,327.28

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Solution

The fourth proportional to 7,407.36, 11,088.36 and 5,327.28 is: 7,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.36 : 11,088.36 = 5,327.28 : x
  2. Step 2: Convert to fraction form
    7,407.36/11,088.36 = 5,327.28/x
  3. Step 3: Cross multiply
    7,407.36x = 11,088.36 × 5,327.28
  4. Step 4: Simplify right side
    7,407.36x = 59,070,798.46
  5. Step 5: Solve for x
    x = 59,070,798.46/7,407.36
  6. Step 6: Final answer
    x = 7,974.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.