Home / 10,670.02-16,008.30-6,278.20

Finding the Fourth Proportional to 10,670.02, 16,008.30 and 6,278.20

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Solution

The fourth proportional to 10,670.02, 16,008.30 and 6,278.20 is: 9,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.02 : 16,008.30 = 6,278.20 : x
  2. Step 2: Convert to fraction form
    10,670.02/16,008.30 = 6,278.20/x
  3. Step 3: Cross multiply
    10,670.02x = 16,008.30 × 6,278.20
  4. Step 4: Simplify right side
    10,670.02x = 100,503,309.06
  5. Step 5: Solve for x
    x = 100,503,309.06/10,670.02
  6. Step 6: Final answer
    x = 9,419.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.