Home / 6,990.04-9,646.26-3,846.28

Finding the Fourth Proportional to 6,990.04, 9,646.26 and 3,846.28

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Solution

The fourth proportional to 6,990.04, 9,646.26 and 3,846.28 is: 5,307.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.04 : 9,646.26 = 3,846.28 : x
  2. Step 2: Convert to fraction form
    6,990.04/9,646.26 = 3,846.28/x
  3. Step 3: Cross multiply
    6,990.04x = 9,646.26 × 3,846.28
  4. Step 4: Simplify right side
    6,990.04x = 37,102,216.91
  5. Step 5: Solve for x
    x = 37,102,216.91/6,990.04
  6. Step 6: Final answer
    x = 5,307.87

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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.