Home / 8,868.09-12,237.93-4,889.11

Finding the Fourth Proportional to 8,868.09, 12,237.93 and 4,889.11

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Solution

The fourth proportional to 8,868.09, 12,237.93 and 4,889.11 is: 6,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.09 : 12,237.93 = 4,889.11 : x
  2. Step 2: Convert to fraction form
    8,868.09/12,237.93 = 4,889.11/x
  3. Step 3: Cross multiply
    8,868.09x = 12,237.93 × 4,889.11
  4. Step 4: Simplify right side
    8,868.09x = 59,832,585.94
  5. Step 5: Solve for x
    x = 59,832,585.94/8,868.09
  6. Step 6: Final answer
    x = 6,746.95

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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.