Home / 10,805.02-14,912.12-6,268.70

Finding the Fourth Proportional to 10,805.02, 14,912.12 and 6,268.70

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Solution

The fourth proportional to 10,805.02, 14,912.12 and 6,268.70 is: 8,651.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.02 : 14,912.12 = 6,268.70 : x
  2. Step 2: Convert to fraction form
    10,805.02/14,912.12 = 6,268.70/x
  3. Step 3: Cross multiply
    10,805.02x = 14,912.12 × 6,268.70
  4. Step 4: Simplify right side
    10,805.02x = 93,479,606.64
  5. Step 5: Solve for x
    x = 93,479,606.64/10,805.02
  6. Step 6: Final answer
    x = 8,651.50

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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.