Home / 11,447.51-15,797.49-6,411.74

Finding the Fourth Proportional to 11,447.51, 15,797.49 and 6,411.74

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Solution

The fourth proportional to 11,447.51, 15,797.49 and 6,411.74 is: 8,848.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.51 : 15,797.49 = 6,411.74 : x
  2. Step 2: Convert to fraction form
    11,447.51/15,797.49 = 6,411.74/x
  3. Step 3: Cross multiply
    11,447.51x = 15,797.49 × 6,411.74
  4. Step 4: Simplify right side
    11,447.51x = 101,289,398.53
  5. Step 5: Solve for x
    x = 101,289,398.53/11,447.51
  6. Step 6: Final answer
    x = 8,848.16

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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.