Home / 9,071.59-13,612.84-3,877.47

Finding the Fourth Proportional to 9,071.59, 13,612.84 and 3,877.47

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Solution

The fourth proportional to 9,071.59, 13,612.84 and 3,877.47 is: 5,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.59 : 13,612.84 = 3,877.47 : x
  2. Step 2: Convert to fraction form
    9,071.59/13,612.84 = 3,877.47/x
  3. Step 3: Cross multiply
    9,071.59x = 13,612.84 × 3,877.47
  4. Step 4: Simplify right side
    9,071.59x = 52,783,291.26
  5. Step 5: Solve for x
    x = 52,783,291.26/9,071.59
  6. Step 6: Final answer
    x = 5,818.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.