Home / 9,318.23-12,852.43-5,337.89

Finding the Fourth Proportional to 9,318.23, 12,852.43 and 5,337.89

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Solution

The fourth proportional to 9,318.23, 12,852.43 and 5,337.89 is: 7,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.23 : 12,852.43 = 5,337.89 : x
  2. Step 2: Convert to fraction form
    9,318.23/12,852.43 = 5,337.89/x
  3. Step 3: Cross multiply
    9,318.23x = 12,852.43 × 5,337.89
  4. Step 4: Simplify right side
    9,318.23x = 68,604,857.57
  5. Step 5: Solve for x
    x = 68,604,857.57/9,318.23
  6. Step 6: Final answer
    x = 7,362.43

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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.