Home / 11,570.16-15,966.54-6,854.43

Finding the Fourth Proportional to 11,570.16, 15,966.54 and 6,854.43

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Solution

The fourth proportional to 11,570.16, 15,966.54 and 6,854.43 is: 9,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,570.16 : 15,966.54 = 6,854.43 : x
  2. Step 2: Convert to fraction form
    11,570.16/15,966.54 = 6,854.43/x
  3. Step 3: Cross multiply
    11,570.16x = 15,966.54 × 6,854.43
  4. Step 4: Simplify right side
    11,570.16x = 109,441,530.77
  5. Step 5: Solve for x
    x = 109,441,530.77/11,570.16
  6. Step 6: Final answer
    x = 9,458.95

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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.