Home / 9,214.72-12,717.59-5,237.62

Finding the Fourth Proportional to 9,214.72, 12,717.59 and 5,237.62

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Solution

The fourth proportional to 9,214.72, 12,717.59 and 5,237.62 is: 7,228.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214.72 : 12,717.59 = 5,237.62 : x
  2. Step 2: Convert to fraction form
    9,214.72/12,717.59 = 5,237.62/x
  3. Step 3: Cross multiply
    9,214.72x = 12,717.59 × 5,237.62
  4. Step 4: Simplify right side
    9,214.72x = 66,609,845.75
  5. Step 5: Solve for x
    x = 66,609,845.75/9,214.72
  6. Step 6: Final answer
    x = 7,228.64

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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.