Home / 9,685.72-13,364.70-6,100.12

Finding the Fourth Proportional to 9,685.72, 13,364.70 and 6,100.12

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Solution

The fourth proportional to 9,685.72, 13,364.70 and 6,100.12 is: 8,417.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.72 : 13,364.70 = 6,100.12 : x
  2. Step 2: Convert to fraction form
    9,685.72/13,364.70 = 6,100.12/x
  3. Step 3: Cross multiply
    9,685.72x = 13,364.70 × 6,100.12
  4. Step 4: Simplify right side
    9,685.72x = 81,526,273.76
  5. Step 5: Solve for x
    x = 81,526,273.76/9,685.72
  6. Step 6: Final answer
    x = 8,417.16

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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.