Home / 10,085.06-13,907.61-6,728.01

Finding the Fourth Proportional to 10,085.06, 13,907.61 and 6,728.01

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Solution

The fourth proportional to 10,085.06, 13,907.61 and 6,728.01 is: 9,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.06 : 13,907.61 = 6,728.01 : x
  2. Step 2: Convert to fraction form
    10,085.06/13,907.61 = 6,728.01/x
  3. Step 3: Cross multiply
    10,085.06x = 13,907.61 × 6,728.01
  4. Step 4: Simplify right side
    10,085.06x = 93,570,539.16
  5. Step 5: Solve for x
    x = 93,570,539.16/10,085.06
  6. Step 6: Final answer
    x = 9,278.14

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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.