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Finding the Fourth Proportional to 8,835, 12,192.62 and 5,058.84

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Solution

The fourth proportional to 8,835, 12,192.62 and 5,058.84 is: 6,981.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835 : 12,192.62 = 5,058.84 : x
  2. Step 2: Convert to fraction form
    8,835/12,192.62 = 5,058.84/x
  3. Step 3: Cross multiply
    8,835x = 12,192.62 × 5,058.84
  4. Step 4: Simplify right side
    8,835x = 61,680,513.76
  5. Step 5: Solve for x
    x = 61,680,513.76/8,835
  6. Step 6: Final answer
    x = 6,981.38

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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.