Home / 10,647.52-14,693.58-6,172.12

Finding the Fourth Proportional to 10,647.52, 14,693.58 and 6,172.12

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Solution

The fourth proportional to 10,647.52, 14,693.58 and 6,172.12 is: 8,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.52 : 14,693.58 = 6,172.12 : x
  2. Step 2: Convert to fraction form
    10,647.52/14,693.58 = 6,172.12/x
  3. Step 3: Cross multiply
    10,647.52x = 14,693.58 × 6,172.12
  4. Step 4: Simplify right side
    10,647.52x = 90,690,538.99
  5. Step 5: Solve for x
    x = 90,690,538.99/10,647.52
  6. Step 6: Final answer
    x = 8,517.53

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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.