Home / 11,246.19-15,519.93-7,274.22

Finding the Fourth Proportional to 11,246.19, 15,519.93 and 7,274.22

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Solution

The fourth proportional to 11,246.19, 15,519.93 and 7,274.22 is: 10,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.19 : 15,519.93 = 7,274.22 : x
  2. Step 2: Convert to fraction form
    11,246.19/15,519.93 = 7,274.22/x
  3. Step 3: Cross multiply
    11,246.19x = 15,519.93 × 7,274.22
  4. Step 4: Simplify right side
    11,246.19x = 112,895,385.20
  5. Step 5: Solve for x
    x = 112,895,385.20/11,246.19
  6. Step 6: Final answer
    x = 10,038.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.