Home / 8,905.35-12,288.60-4,926.45

Finding the Fourth Proportional to 8,905.35, 12,288.60 and 4,926.45

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Solution

The fourth proportional to 8,905.35, 12,288.60 and 4,926.45 is: 6,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.35 : 12,288.60 = 4,926.45 : x
  2. Step 2: Convert to fraction form
    8,905.35/12,288.60 = 4,926.45/x
  3. Step 3: Cross multiply
    8,905.35x = 12,288.60 × 4,926.45
  4. Step 4: Simplify right side
    8,905.35x = 60,539,173.47
  5. Step 5: Solve for x
    x = 60,539,173.47/8,905.35
  6. Step 6: Final answer
    x = 6,798.07

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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.