Home / 8,904.83-12,288.75-4,926.21

Finding the Fourth Proportional to 8,904.83, 12,288.75 and 4,926.21

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Solution

The fourth proportional to 8,904.83, 12,288.75 and 4,926.21 is: 6,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.83 : 12,288.75 = 4,926.21 : x
  2. Step 2: Convert to fraction form
    8,904.83/12,288.75 = 4,926.21/x
  3. Step 3: Cross multiply
    8,904.83x = 12,288.75 × 4,926.21
  4. Step 4: Simplify right side
    8,904.83x = 60,536,963.14
  5. Step 5: Solve for x
    x = 60,536,963.14/8,904.83
  6. Step 6: Final answer
    x = 6,798.22

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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.