Home / 7,712.48-11,565.09-3,551.27

Finding the Fourth Proportional to 7,712.48, 11,565.09 and 3,551.27

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Solution

The fourth proportional to 7,712.48, 11,565.09 and 3,551.27 is: 5,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.48 : 11,565.09 = 3,551.27 : x
  2. Step 2: Convert to fraction form
    7,712.48/11,565.09 = 3,551.27/x
  3. Step 3: Cross multiply
    7,712.48x = 11,565.09 × 3,551.27
  4. Step 4: Simplify right side
    7,712.48x = 41,070,699.34
  5. Step 5: Solve for x
    x = 41,070,699.34/7,712.48
  6. Step 6: Final answer
    x = 5,325.22

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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.