Home / 10,085.14-13,909.62-6,900.33

Finding the Fourth Proportional to 10,085.14, 13,909.62 and 6,900.33

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Solution

The fourth proportional to 10,085.14, 13,909.62 and 6,900.33 is: 9,517.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.14 : 13,909.62 = 6,900.33 : x
  2. Step 2: Convert to fraction form
    10,085.14/13,909.62 = 6,900.33/x
  3. Step 3: Cross multiply
    10,085.14x = 13,909.62 × 6,900.33
  4. Step 4: Simplify right side
    10,085.14x = 95,980,968.17
  5. Step 5: Solve for x
    x = 95,980,968.17/10,085.14
  6. Step 6: Final answer
    x = 9,517.07

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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.