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Finding the Fourth Proportional to 7,021.95, 10,501.94 and 6,247.39

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Solution

The fourth proportional to 7,021.95, 10,501.94 and 6,247.39 is: 9,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.95 : 10,501.94 = 6,247.39 : x
  2. Step 2: Convert to fraction form
    7,021.95/10,501.94 = 6,247.39/x
  3. Step 3: Cross multiply
    7,021.95x = 10,501.94 × 6,247.39
  4. Step 4: Simplify right side
    7,021.95x = 65,609,714.94
  5. Step 5: Solve for x
    x = 65,609,714.94/7,021.95
  6. Step 6: Final answer
    x = 9,343.52

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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.