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Finding the Fourth Proportional to 7,012.81, 10,526.79 and 6,237.77

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Solution

The fourth proportional to 7,012.81, 10,526.79 and 6,237.77 is: 9,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.81 : 10,526.79 = 6,237.77 : x
  2. Step 2: Convert to fraction form
    7,012.81/10,526.79 = 6,237.77/x
  3. Step 3: Cross multiply
    7,012.81x = 10,526.79 × 6,237.77
  4. Step 4: Simplify right side
    7,012.81x = 65,663,694.86
  5. Step 5: Solve for x
    x = 65,663,694.86/7,012.81
  6. Step 6: Final answer
    x = 9,363.40

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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.