Home / 12,296.63-18,432.48-5,281.22

Finding the Fourth Proportional to 12,296.63, 18,432.48 and 5,281.22

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Solution

The fourth proportional to 12,296.63, 18,432.48 and 5,281.22 is: 7,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.63 : 18,432.48 = 5,281.22 : x
  2. Step 2: Convert to fraction form
    12,296.63/18,432.48 = 5,281.22/x
  3. Step 3: Cross multiply
    12,296.63x = 18,432.48 × 5,281.22
  4. Step 4: Simplify right side
    12,296.63x = 97,345,982.03
  5. Step 5: Solve for x
    x = 97,345,982.03/12,296.63
  6. Step 6: Final answer
    x = 7,916.48

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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.