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Finding the Fourth Proportional to 8,833.92, 12,189.12 and 6,038.40

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Solution

The fourth proportional to 8,833.92, 12,189.12 and 6,038.40 is: 8,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.92 : 12,189.12 = 6,038.40 : x
  2. Step 2: Convert to fraction form
    8,833.92/12,189.12 = 6,038.40/x
  3. Step 3: Cross multiply
    8,833.92x = 12,189.12 × 6,038.40
  4. Step 4: Simplify right side
    8,833.92x = 73,602,782.21
  5. Step 5: Solve for x
    x = 73,602,782.21/8,833.92
  6. Step 6: Final answer
    x = 8,331.84

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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.