Home / 11,547.92-15,935.52-6,768.80

Finding the Fourth Proportional to 11,547.92, 15,935.52 and 6,768.80

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Solution

The fourth proportional to 11,547.92, 15,935.52 and 6,768.80 is: 9,340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.92 : 15,935.52 = 6,768.80 : x
  2. Step 2: Convert to fraction form
    11,547.92/15,935.52 = 6,768.80/x
  3. Step 3: Cross multiply
    11,547.92x = 15,935.52 × 6,768.80
  4. Step 4: Simplify right side
    11,547.92x = 107,864,347.78
  5. Step 5: Solve for x
    x = 107,864,347.78/11,547.92
  6. Step 6: Final answer
    x = 9,340.59

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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.