Home / 11,278.01-15,570.69-7,246.46

Finding the Fourth Proportional to 11,278.01, 15,570.69 and 7,246.46

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Solution

The fourth proportional to 11,278.01, 15,570.69 and 7,246.46 is: 10,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.01 : 15,570.69 = 7,246.46 : x
  2. Step 2: Convert to fraction form
    11,278.01/15,570.69 = 7,246.46/x
  3. Step 3: Cross multiply
    11,278.01x = 15,570.69 × 7,246.46
  4. Step 4: Simplify right side
    11,278.01x = 112,832,304.40
  5. Step 5: Solve for x
    x = 112,832,304.40/11,278.01
  6. Step 6: Final answer
    x = 10,004.63

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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.