Home / 8,543.29-11,785.01-5,005.82

Finding the Fourth Proportional to 8,543.29, 11,785.01 and 5,005.82

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Solution

The fourth proportional to 8,543.29, 11,785.01 and 5,005.82 is: 6,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.29 : 11,785.01 = 5,005.82 : x
  2. Step 2: Convert to fraction form
    8,543.29/11,785.01 = 5,005.82/x
  3. Step 3: Cross multiply
    8,543.29x = 11,785.01 × 5,005.82
  4. Step 4: Simplify right side
    8,543.29x = 58,993,638.76
  5. Step 5: Solve for x
    x = 58,993,638.76/8,543.29
  6. Step 6: Final answer
    x = 6,905.26

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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.