Home / 7,344.10-11,071.18-6,855.30

Finding the Fourth Proportional to 7,344.10, 11,071.18 and 6,855.30

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Solution

The fourth proportional to 7,344.10, 11,071.18 and 6,855.30 is: 10,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.10 : 11,071.18 = 6,855.30 : x
  2. Step 2: Convert to fraction form
    7,344.10/11,071.18 = 6,855.30/x
  3. Step 3: Cross multiply
    7,344.10x = 11,071.18 × 6,855.30
  4. Step 4: Simplify right side
    7,344.10x = 75,896,268.82
  5. Step 5: Solve for x
    x = 75,896,268.82/7,344.10
  6. Step 6: Final answer
    x = 10,334.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.