Home / 9,304.58-12,840.90-5,325.61

Finding the Fourth Proportional to 9,304.58, 12,840.90 and 5,325.61

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Solution

The fourth proportional to 9,304.58, 12,840.90 and 5,325.61 is: 7,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,304.58 : 12,840.90 = 5,325.61 : x
  2. Step 2: Convert to fraction form
    9,304.58/12,840.90 = 5,325.61/x
  3. Step 3: Cross multiply
    9,304.58x = 12,840.90 × 5,325.61
  4. Step 4: Simplify right side
    9,304.58x = 68,385,534.62
  5. Step 5: Solve for x
    x = 68,385,534.62/9,304.58
  6. Step 6: Final answer
    x = 7,349.66

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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.