Home / 8,880.39-13,319.67-5,583.49

Finding the Fourth Proportional to 8,880.39, 13,319.67 and 5,583.49

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Solution

The fourth proportional to 8,880.39, 13,319.67 and 5,583.49 is: 8,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.39 : 13,319.67 = 5,583.49 : x
  2. Step 2: Convert to fraction form
    8,880.39/13,319.67 = 5,583.49/x
  3. Step 3: Cross multiply
    8,880.39x = 13,319.67 × 5,583.49
  4. Step 4: Simplify right side
    8,880.39x = 74,370,244.25
  5. Step 5: Solve for x
    x = 74,370,244.25/8,880.39
  6. Step 6: Final answer
    x = 8,374.66

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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.