Home / 11,076.65-15,275.82-7,298.45

Finding the Fourth Proportional to 11,076.65, 15,275.82 and 7,298.45

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Solution

The fourth proportional to 11,076.65, 15,275.82 and 7,298.45 is: 10,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.65 : 15,275.82 = 7,298.45 : x
  2. Step 2: Convert to fraction form
    11,076.65/15,275.82 = 7,298.45/x
  3. Step 3: Cross multiply
    11,076.65x = 15,275.82 × 7,298.45
  4. Step 4: Simplify right side
    11,076.65x = 111,489,808.48
  5. Step 5: Solve for x
    x = 111,489,808.48/11,076.65
  6. Step 6: Final answer
    x = 10,065.30

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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.