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Finding the Fourth Proportional to 8,762.85, 12,094.29 and 5,226.29

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Solution

The fourth proportional to 8,762.85, 12,094.29 and 5,226.29 is: 7,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.85 : 12,094.29 = 5,226.29 : x
  2. Step 2: Convert to fraction form
    8,762.85/12,094.29 = 5,226.29/x
  3. Step 3: Cross multiply
    8,762.85x = 12,094.29 × 5,226.29
  4. Step 4: Simplify right side
    8,762.85x = 63,208,206.41
  5. Step 5: Solve for x
    x = 63,208,206.41/8,762.85
  6. Step 6: Final answer
    x = 7,213.20

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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.