Home / 12,464.23-18,696.21-7,207.15

Finding the Fourth Proportional to 12,464.23, 18,696.21 and 7,207.15

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Solution

The fourth proportional to 12,464.23, 18,696.21 and 7,207.15 is: 10,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.23 : 18,696.21 = 7,207.15 : x
  2. Step 2: Convert to fraction form
    12,464.23/18,696.21 = 7,207.15/x
  3. Step 3: Cross multiply
    12,464.23x = 18,696.21 × 7,207.15
  4. Step 4: Simplify right side
    12,464.23x = 134,746,389.90
  5. Step 5: Solve for x
    x = 134,746,389.90/12,464.23
  6. Step 6: Final answer
    x = 10,810.65

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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.