Home / 8,312.46-12,460.41-4,616.34

Finding the Fourth Proportional to 8,312.46, 12,460.41 and 4,616.34

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Solution

The fourth proportional to 8,312.46, 12,460.41 and 4,616.34 is: 6,919.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.46 : 12,460.41 = 4,616.34 : x
  2. Step 2: Convert to fraction form
    8,312.46/12,460.41 = 4,616.34/x
  3. Step 3: Cross multiply
    8,312.46x = 12,460.41 × 4,616.34
  4. Step 4: Simplify right side
    8,312.46x = 57,521,489.10
  5. Step 5: Solve for x
    x = 57,521,489.10/8,312.46
  6. Step 6: Final answer
    x = 6,919.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.