Home / 12,506.19-18,755.38-4,184.26

Finding the Fourth Proportional to 12,506.19, 18,755.38 and 4,184.26

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Solution

The fourth proportional to 12,506.19, 18,755.38 and 4,184.26 is: 6,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.19 : 18,755.38 = 4,184.26 : x
  2. Step 2: Convert to fraction form
    12,506.19/18,755.38 = 4,184.26/x
  3. Step 3: Cross multiply
    12,506.19x = 18,755.38 × 4,184.26
  4. Step 4: Simplify right side
    12,506.19x = 78,477,386.32
  5. Step 5: Solve for x
    x = 78,477,386.32/12,506.19
  6. Step 6: Final answer
    x = 6,275.08

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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.