Home / 9,122.75-12,584.53-6,133.45

Finding the Fourth Proportional to 9,122.75, 12,584.53 and 6,133.45

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Solution

The fourth proportional to 9,122.75, 12,584.53 and 6,133.45 is: 8,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.75 : 12,584.53 = 6,133.45 : x
  2. Step 2: Convert to fraction form
    9,122.75/12,584.53 = 6,133.45/x
  3. Step 3: Cross multiply
    9,122.75x = 12,584.53 × 6,133.45
  4. Step 4: Simplify right side
    9,122.75x = 77,186,585.53
  5. Step 5: Solve for x
    x = 77,186,585.53/9,122.75
  6. Step 6: Final answer
    x = 8,460.89

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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.