Home / 11,570.96-15,966.12-6,854.48

Finding the Fourth Proportional to 11,570.96, 15,966.12 and 6,854.48

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Solution

The fourth proportional to 11,570.96, 15,966.12 and 6,854.48 is: 9,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,570.96 : 15,966.12 = 6,854.48 : x
  2. Step 2: Convert to fraction form
    11,570.96/15,966.12 = 6,854.48/x
  3. Step 3: Cross multiply
    11,570.96x = 15,966.12 × 6,854.48
  4. Step 4: Simplify right side
    11,570.96x = 109,439,450.22
  5. Step 5: Solve for x
    x = 109,439,450.22/11,570.96
  6. Step 6: Final answer
    x = 9,458.11

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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.