Home / 8,480.16-11,703.83-7,061.85

Finding the Fourth Proportional to 8,480.16, 11,703.83 and 7,061.85

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Solution

The fourth proportional to 8,480.16, 11,703.83 and 7,061.85 is: 9,746.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.16 : 11,703.83 = 7,061.85 : x
  2. Step 2: Convert to fraction form
    8,480.16/11,703.83 = 7,061.85/x
  3. Step 3: Cross multiply
    8,480.16x = 11,703.83 × 7,061.85
  4. Step 4: Simplify right side
    8,480.16x = 82,650,656.58
  5. Step 5: Solve for x
    x = 82,650,656.58/8,480.16
  6. Step 6: Final answer
    x = 9,746.36

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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.