Home / 8,881.67-13,317.59-5,587.71

Finding the Fourth Proportional to 8,881.67, 13,317.59 and 5,587.71

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Solution

The fourth proportional to 8,881.67, 13,317.59 and 5,587.71 is: 8,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.67 : 13,317.59 = 5,587.71 : x
  2. Step 2: Convert to fraction form
    8,881.67/13,317.59 = 5,587.71/x
  3. Step 3: Cross multiply
    8,881.67x = 13,317.59 × 5,587.71
  4. Step 4: Simplify right side
    8,881.67x = 74,414,802.88
  5. Step 5: Solve for x
    x = 74,414,802.88/8,881.67
  6. Step 6: Final answer
    x = 8,378.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.