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Finding the Fourth Proportional to 8,574.90, 11,834.73 and 5,038.98

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Solution

The fourth proportional to 8,574.90, 11,834.73 and 5,038.98 is: 6,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.90 : 11,834.73 = 5,038.98 : x
  2. Step 2: Convert to fraction form
    8,574.90/11,834.73 = 5,038.98/x
  3. Step 3: Cross multiply
    8,574.90x = 11,834.73 × 5,038.98
  4. Step 4: Simplify right side
    8,574.90x = 59,634,967.78
  5. Step 5: Solve for x
    x = 59,634,967.78/8,574.90
  6. Step 6: Final answer
    x = 6,954.60

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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.