Home / 8,528.81-11,775.56-5,343.42

Finding the Fourth Proportional to 8,528.81, 11,775.56 and 5,343.42

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Solution

The fourth proportional to 8,528.81, 11,775.56 and 5,343.42 is: 7,377.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.81 : 11,775.56 = 5,343.42 : x
  2. Step 2: Convert to fraction form
    8,528.81/11,775.56 = 5,343.42/x
  3. Step 3: Cross multiply
    8,528.81x = 11,775.56 × 5,343.42
  4. Step 4: Simplify right side
    8,528.81x = 62,921,736.10
  5. Step 5: Solve for x
    x = 62,921,736.10/8,528.81
  6. Step 6: Final answer
    x = 7,377.56

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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.