Home / 11,770.68-16,243.02-6,465.18

Finding the Fourth Proportional to 11,770.68, 16,243.02 and 6,465.18

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Solution

The fourth proportional to 11,770.68, 16,243.02 and 6,465.18 is: 8,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.68 : 16,243.02 = 6,465.18 : x
  2. Step 2: Convert to fraction form
    11,770.68/16,243.02 = 6,465.18/x
  3. Step 3: Cross multiply
    11,770.68x = 16,243.02 × 6,465.18
  4. Step 4: Simplify right side
    11,770.68x = 105,014,048.04
  5. Step 5: Solve for x
    x = 105,014,048.04/11,770.68
  6. Step 6: Final answer
    x = 8,921.66

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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.