Home / 8,822.16-12,174.51-4,788.90

Finding the Fourth Proportional to 8,822.16, 12,174.51 and 4,788.90

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Solution

The fourth proportional to 8,822.16, 12,174.51 and 4,788.90 is: 6,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.16 : 12,174.51 = 4,788.90 : x
  2. Step 2: Convert to fraction form
    8,822.16/12,174.51 = 4,788.90/x
  3. Step 3: Cross multiply
    8,822.16x = 12,174.51 × 4,788.90
  4. Step 4: Simplify right side
    8,822.16x = 58,302,510.94
  5. Step 5: Solve for x
    x = 58,302,510.94/8,822.16
  6. Step 6: Final answer
    x = 6,608.64

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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.