Home / 9,715.51-13,405.35-6,177.43

Finding the Fourth Proportional to 9,715.51, 13,405.35 and 6,177.43

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Solution

The fourth proportional to 9,715.51, 13,405.35 and 6,177.43 is: 8,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.51 : 13,405.35 = 6,177.43 : x
  2. Step 2: Convert to fraction form
    9,715.51/13,405.35 = 6,177.43/x
  3. Step 3: Cross multiply
    9,715.51x = 13,405.35 × 6,177.43
  4. Step 4: Simplify right side
    9,715.51x = 82,810,611.25
  5. Step 5: Solve for x
    x = 82,810,611.25/9,715.51
  6. Step 6: Final answer
    x = 8,523.55

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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.