Home / 8,868.24-12,237.60-4,889.40

Finding the Fourth Proportional to 8,868.24, 12,237.60 and 4,889.40

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Solution

The fourth proportional to 8,868.24, 12,237.60 and 4,889.40 is: 6,747.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.24 : 12,237.60 = 4,889.40 : x
  2. Step 2: Convert to fraction form
    8,868.24/12,237.60 = 4,889.40/x
  3. Step 3: Cross multiply
    8,868.24x = 12,237.60 × 4,889.40
  4. Step 4: Simplify right side
    8,868.24x = 59,834,521.44
  5. Step 5: Solve for x
    x = 59,834,521.44/8,868.24
  6. Step 6: Final answer
    x = 6,747.06

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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.