Home / 7,684.08-10,599.84-6,687.60

Finding the Fourth Proportional to 7,684.08, 10,599.84 and 6,687.60

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Solution

The fourth proportional to 7,684.08, 10,599.84 and 6,687.60 is: 9,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684.08 : 10,599.84 = 6,687.60 : x
  2. Step 2: Convert to fraction form
    7,684.08/10,599.84 = 6,687.60/x
  3. Step 3: Cross multiply
    7,684.08x = 10,599.84 × 6,687.60
  4. Step 4: Simplify right side
    7,684.08x = 70,887,489.98
  5. Step 5: Solve for x
    x = 70,887,489.98/7,684.08
  6. Step 6: Final answer
    x = 9,225.24

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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.