Home / 11,257.95-15,531.08-6,476.86

Finding the Fourth Proportional to 11,257.95, 15,531.08 and 6,476.86

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Solution

The fourth proportional to 11,257.95, 15,531.08 and 6,476.86 is: 8,935.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.95 : 15,531.08 = 6,476.86 : x
  2. Step 2: Convert to fraction form
    11,257.95/15,531.08 = 6,476.86/x
  3. Step 3: Cross multiply
    11,257.95x = 15,531.08 × 6,476.86
  4. Step 4: Simplify right side
    11,257.95x = 100,592,630.81
  5. Step 5: Solve for x
    x = 100,592,630.81/11,257.95
  6. Step 6: Final answer
    x = 8,935.25

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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.