Home / 9,312.96-14,024.88-8,399.04

Finding the Fourth Proportional to 9,312.96, 14,024.88 and 8,399.04

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Solution

The fourth proportional to 9,312.96, 14,024.88 and 8,399.04 is: 12,648.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.96 : 14,024.88 = 8,399.04 : x
  2. Step 2: Convert to fraction form
    9,312.96/14,024.88 = 8,399.04/x
  3. Step 3: Cross multiply
    9,312.96x = 14,024.88 × 8,399.04
  4. Step 4: Simplify right side
    9,312.96x = 117,795,528.12
  5. Step 5: Solve for x
    x = 117,795,528.12/9,312.96
  6. Step 6: Final answer
    x = 12,648.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.