Home / 10,975.58-15,144.72-6,499.52

Finding the Fourth Proportional to 10,975.58, 15,144.72 and 6,499.52

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Solution

The fourth proportional to 10,975.58, 15,144.72 and 6,499.52 is: 8,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.58 : 15,144.72 = 6,499.52 : x
  2. Step 2: Convert to fraction form
    10,975.58/15,144.72 = 6,499.52/x
  3. Step 3: Cross multiply
    10,975.58x = 15,144.72 × 6,499.52
  4. Step 4: Simplify right side
    10,975.58x = 98,433,424.02
  5. Step 5: Solve for x
    x = 98,433,424.02/10,975.58
  6. Step 6: Final answer
    x = 8,968.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.