Home / 9,277.20-13,875.30-8,297.10

Finding the Fourth Proportional to 9,277.20, 13,875.30 and 8,297.10

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Solution

The fourth proportional to 9,277.20, 13,875.30 and 8,297.10 is: 12,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.20 : 13,875.30 = 8,297.10 : x
  2. Step 2: Convert to fraction form
    9,277.20/13,875.30 = 8,297.10/x
  3. Step 3: Cross multiply
    9,277.20x = 13,875.30 × 8,297.10
  4. Step 4: Simplify right side
    9,277.20x = 115,124,751.63
  5. Step 5: Solve for x
    x = 115,124,751.63/9,277.20
  6. Step 6: Final answer
    x = 12,409.43

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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.