Home / 11,418.47-15,756.41-6,701.84

Finding the Fourth Proportional to 11,418.47, 15,756.41 and 6,701.84

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Solution

The fourth proportional to 11,418.47, 15,756.41 and 6,701.84 is: 9,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.47 : 15,756.41 = 6,701.84 : x
  2. Step 2: Convert to fraction form
    11,418.47/15,756.41 = 6,701.84/x
  3. Step 3: Cross multiply
    11,418.47x = 15,756.41 × 6,701.84
  4. Step 4: Simplify right side
    11,418.47x = 105,596,826.50
  5. Step 5: Solve for x
    x = 105,596,826.50/11,418.47
  6. Step 6: Final answer
    x = 9,247.90

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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.