Home / 10,986.47-16,476.50-6,305.67

Finding the Fourth Proportional to 10,986.47, 16,476.50 and 6,305.67

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Solution

The fourth proportional to 10,986.47, 16,476.50 and 6,305.67 is: 9,456.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.47 : 16,476.50 = 6,305.67 : x
  2. Step 2: Convert to fraction form
    10,986.47/16,476.50 = 6,305.67/x
  3. Step 3: Cross multiply
    10,986.47x = 16,476.50 × 6,305.67
  4. Step 4: Simplify right side
    10,986.47x = 103,895,340.23
  5. Step 5: Solve for x
    x = 103,895,340.23/10,986.47
  6. Step 6: Final answer
    x = 9,456.67

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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.