Home / 7,102.30-10,598.72-6,238.43

Finding the Fourth Proportional to 7,102.30, 10,598.72 and 6,238.43

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Solution

The fourth proportional to 7,102.30, 10,598.72 and 6,238.43 is: 9,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102.30 : 10,598.72 = 6,238.43 : x
  2. Step 2: Convert to fraction form
    7,102.30/10,598.72 = 6,238.43/x
  3. Step 3: Cross multiply
    7,102.30x = 10,598.72 × 6,238.43
  4. Step 4: Simplify right side
    7,102.30x = 66,119,387.99
  5. Step 5: Solve for x
    x = 66,119,387.99/7,102.30
  6. Step 6: Final answer
    x = 9,309.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.