Home / 11,528.90-17,282.28-7,357.13

Finding the Fourth Proportional to 11,528.90, 17,282.28 and 7,357.13

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Solution

The fourth proportional to 11,528.90, 17,282.28 and 7,357.13 is: 11,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.90 : 17,282.28 = 7,357.13 : x
  2. Step 2: Convert to fraction form
    11,528.90/17,282.28 = 7,357.13/x
  3. Step 3: Cross multiply
    11,528.90x = 17,282.28 × 7,357.13
  4. Step 4: Simplify right side
    11,528.90x = 127,147,980.66
  5. Step 5: Solve for x
    x = 127,147,980.66/11,528.90
  6. Step 6: Final answer
    x = 11,028.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.