Home / 8,294.49-11,445.55-5,107.28

Finding the Fourth Proportional to 8,294.49, 11,445.55 and 5,107.28

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Solution

The fourth proportional to 8,294.49, 11,445.55 and 5,107.28 is: 7,047.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,294.49 : 11,445.55 = 5,107.28 : x
  2. Step 2: Convert to fraction form
    8,294.49/11,445.55 = 5,107.28/x
  3. Step 3: Cross multiply
    8,294.49x = 11,445.55 × 5,107.28
  4. Step 4: Simplify right side
    8,294.49x = 58,455,628.60
  5. Step 5: Solve for x
    x = 58,455,628.60/8,294.49
  6. Step 6: Final answer
    x = 7,047.53

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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.