Home / 7,983.09-11,017.98-6,091.11

Finding the Fourth Proportional to 7,983.09, 11,017.98 and 6,091.11

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Solution

The fourth proportional to 7,983.09, 11,017.98 and 6,091.11 is: 8,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.09 : 11,017.98 = 6,091.11 : x
  2. Step 2: Convert to fraction form
    7,983.09/11,017.98 = 6,091.11/x
  3. Step 3: Cross multiply
    7,983.09x = 11,017.98 × 6,091.11
  4. Step 4: Simplify right side
    7,983.09x = 67,111,728.16
  5. Step 5: Solve for x
    x = 67,111,728.16/7,983.09
  6. Step 6: Final answer
    x = 8,406.74

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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.