Home / 8,870.44-12,246.14-6,478.03

Finding the Fourth Proportional to 8,870.44, 12,246.14 and 6,478.03

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Solution

The fourth proportional to 8,870.44, 12,246.14 and 6,478.03 is: 8,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.44 : 12,246.14 = 6,478.03 : x
  2. Step 2: Convert to fraction form
    8,870.44/12,246.14 = 6,478.03/x
  3. Step 3: Cross multiply
    8,870.44x = 12,246.14 × 6,478.03
  4. Step 4: Simplify right side
    8,870.44x = 79,330,788.48
  5. Step 5: Solve for x
    x = 79,330,788.48/8,870.44
  6. Step 6: Final answer
    x = 8,943.28

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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.