Home / 10,084.55-13,904.09-8,570.66

Finding the Fourth Proportional to 10,084.55, 13,904.09 and 8,570.66

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Solution

The fourth proportional to 10,084.55, 13,904.09 and 8,570.66 is: 11,816.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.55 : 13,904.09 = 8,570.66 : x
  2. Step 2: Convert to fraction form
    10,084.55/13,904.09 = 8,570.66/x
  3. Step 3: Cross multiply
    10,084.55x = 13,904.09 × 8,570.66
  4. Step 4: Simplify right side
    10,084.55x = 119,167,185.15
  5. Step 5: Solve for x
    x = 119,167,185.15/10,084.55
  6. Step 6: Final answer
    x = 11,816.81

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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.