Home / 11,394.51-15,725.63-6,360.48

Finding the Fourth Proportional to 11,394.51, 15,725.63 and 6,360.48

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Solution

The fourth proportional to 11,394.51, 15,725.63 and 6,360.48 is: 8,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,394.51 : 15,725.63 = 6,360.48 : x
  2. Step 2: Convert to fraction form
    11,394.51/15,725.63 = 6,360.48/x
  3. Step 3: Cross multiply
    11,394.51x = 15,725.63 × 6,360.48
  4. Step 4: Simplify right side
    11,394.51x = 100,022,555.10
  5. Step 5: Solve for x
    x = 100,022,555.10/11,394.51
  6. Step 6: Final answer
    x = 8,778.14

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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.