Home / 8,528.32-11,770.56-5,386.24

Finding the Fourth Proportional to 8,528.32, 11,770.56 and 5,386.24

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Solution

The fourth proportional to 8,528.32, 11,770.56 and 5,386.24 is: 7,433.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.32 : 11,770.56 = 5,386.24 : x
  2. Step 2: Convert to fraction form
    8,528.32/11,770.56 = 5,386.24/x
  3. Step 3: Cross multiply
    8,528.32x = 11,770.56 × 5,386.24
  4. Step 4: Simplify right side
    8,528.32x = 63,399,061.09
  5. Step 5: Solve for x
    x = 63,399,061.09/8,528.32
  6. Step 6: Final answer
    x = 7,433.94

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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.