Home / 11,555.52-15,945.44-6,708.57

Finding the Fourth Proportional to 11,555.52, 15,945.44 and 6,708.57

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Solution

The fourth proportional to 11,555.52, 15,945.44 and 6,708.57 is: 9,257.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.52 : 15,945.44 = 6,708.57 : x
  2. Step 2: Convert to fraction form
    11,555.52/15,945.44 = 6,708.57/x
  3. Step 3: Cross multiply
    11,555.52x = 15,945.44 × 6,708.57
  4. Step 4: Simplify right side
    11,555.52x = 106,971,100.42
  5. Step 5: Solve for x
    x = 106,971,100.42/11,555.52
  6. Step 6: Final answer
    x = 9,257.14

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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.