Home / 8,868.53-12,237.72-4,888.64

Finding the Fourth Proportional to 8,868.53, 12,237.72 and 4,888.64

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Solution

The fourth proportional to 8,868.53, 12,237.72 and 4,888.64 is: 6,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.53 : 12,237.72 = 4,888.64 : x
  2. Step 2: Convert to fraction form
    8,868.53/12,237.72 = 4,888.64/x
  3. Step 3: Cross multiply
    8,868.53x = 12,237.72 × 4,888.64
  4. Step 4: Simplify right side
    8,868.53x = 59,825,807.50
  5. Step 5: Solve for x
    x = 59,825,807.50/8,868.53
  6. Step 6: Final answer
    x = 6,745.85

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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.