Home / 8,569.43-11,818.12-5,383.02

Finding the Fourth Proportional to 8,569.43, 11,818.12 and 5,383.02

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Solution

The fourth proportional to 8,569.43, 11,818.12 and 5,383.02 is: 7,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.43 : 11,818.12 = 5,383.02 : x
  2. Step 2: Convert to fraction form
    8,569.43/11,818.12 = 5,383.02/x
  3. Step 3: Cross multiply
    8,569.43x = 11,818.12 × 5,383.02
  4. Step 4: Simplify right side
    8,569.43x = 63,617,176.32
  5. Step 5: Solve for x
    x = 63,617,176.32/8,569.43
  6. Step 6: Final answer
    x = 7,423.73

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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.