Home / 8,947.24-12,347.38-4,968.30

Finding the Fourth Proportional to 8,947.24, 12,347.38 and 4,968.30

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Solution

The fourth proportional to 8,947.24, 12,347.38 and 4,968.30 is: 6,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.24 : 12,347.38 = 4,968.30 : x
  2. Step 2: Convert to fraction form
    8,947.24/12,347.38 = 4,968.30/x
  3. Step 3: Cross multiply
    8,947.24x = 12,347.38 × 4,968.30
  4. Step 4: Simplify right side
    8,947.24x = 61,345,488.05
  5. Step 5: Solve for x
    x = 61,345,488.05/8,947.24
  6. Step 6: Final answer
    x = 6,856.36

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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.