Home / 11,355.56-15,669.36-6,575.59

Finding the Fourth Proportional to 11,355.56, 15,669.36 and 6,575.59

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Solution

The fourth proportional to 11,355.56, 15,669.36 and 6,575.59 is: 9,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.56 : 15,669.36 = 6,575.59 : x
  2. Step 2: Convert to fraction form
    11,355.56/15,669.36 = 6,575.59/x
  3. Step 3: Cross multiply
    11,355.56x = 15,669.36 × 6,575.59
  4. Step 4: Simplify right side
    11,355.56x = 103,035,309.66
  5. Step 5: Solve for x
    x = 103,035,309.66/11,355.56
  6. Step 6: Final answer
    x = 9,073.56

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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.