Home / 8,718.14-12,029.55-4,940.52

Finding the Fourth Proportional to 8,718.14, 12,029.55 and 4,940.52

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Solution

The fourth proportional to 8,718.14, 12,029.55 and 4,940.52 is: 6,817.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.14 : 12,029.55 = 4,940.52 : x
  2. Step 2: Convert to fraction form
    8,718.14/12,029.55 = 4,940.52/x
  3. Step 3: Cross multiply
    8,718.14x = 12,029.55 × 4,940.52
  4. Step 4: Simplify right side
    8,718.14x = 59,432,232.37
  5. Step 5: Solve for x
    x = 59,432,232.37/8,718.14
  6. Step 6: Final answer
    x = 6,817.08

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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.