Home / 8,258.04-12,380.90-4,970.36

Finding the Fourth Proportional to 8,258.04, 12,380.90 and 4,970.36

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Solution

The fourth proportional to 8,258.04, 12,380.90 and 4,970.36 is: 7,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.04 : 12,380.90 = 4,970.36 : x
  2. Step 2: Convert to fraction form
    8,258.04/12,380.90 = 4,970.36/x
  3. Step 3: Cross multiply
    8,258.04x = 12,380.90 × 4,970.36
  4. Step 4: Simplify right side
    8,258.04x = 61,537,530.12
  5. Step 5: Solve for x
    x = 61,537,530.12/8,258.04
  6. Step 6: Final answer
    x = 7,451.83

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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.