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Finding the Fourth Proportional to 6,993.90, 10,483.02 and 5,357.16

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Solution

The fourth proportional to 6,993.90, 10,483.02 and 5,357.16 is: 8,029.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,993.90 : 10,483.02 = 5,357.16 : x
  2. Step 2: Convert to fraction form
    6,993.90/10,483.02 = 5,357.16/x
  3. Step 3: Cross multiply
    6,993.90x = 10,483.02 × 5,357.16
  4. Step 4: Simplify right side
    6,993.90x = 56,159,215.42
  5. Step 5: Solve for x
    x = 56,159,215.42/6,993.90
  6. Step 6: Final answer
    x = 8,029.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.