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Finding the Fourth Proportional to 8,840.61, 12,197.05 and 5,011.84

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Solution

The fourth proportional to 8,840.61, 12,197.05 and 5,011.84 is: 6,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.61 : 12,197.05 = 5,011.84 : x
  2. Step 2: Convert to fraction form
    8,840.61/12,197.05 = 5,011.84/x
  3. Step 3: Cross multiply
    8,840.61x = 12,197.05 × 5,011.84
  4. Step 4: Simplify right side
    8,840.61x = 61,129,602.09
  5. Step 5: Solve for x
    x = 61,129,602.09/8,840.61
  6. Step 6: Final answer
    x = 6,914.64

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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.