Home / 9,165.20-12,647.92-4,973.45

Finding the Fourth Proportional to 9,165.20, 12,647.92 and 4,973.45

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Solution

The fourth proportional to 9,165.20, 12,647.92 and 4,973.45 is: 6,863.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.20 : 12,647.92 = 4,973.45 : x
  2. Step 2: Convert to fraction form
    9,165.20/12,647.92 = 4,973.45/x
  3. Step 3: Cross multiply
    9,165.20x = 12,647.92 × 4,973.45
  4. Step 4: Simplify right side
    9,165.20x = 62,903,722.05
  5. Step 5: Solve for x
    x = 62,903,722.05/9,165.20
  6. Step 6: Final answer
    x = 6,863.33

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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.