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Finding the Fourth Proportional to 8,784.42, 12,117.93 and 5,951.94

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Solution

The fourth proportional to 8,784.42, 12,117.93 and 5,951.94 is: 8,210.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.42 : 12,117.93 = 5,951.94 : x
  2. Step 2: Convert to fraction form
    8,784.42/12,117.93 = 5,951.94/x
  3. Step 3: Cross multiply
    8,784.42x = 12,117.93 × 5,951.94
  4. Step 4: Simplify right side
    8,784.42x = 72,125,192.28
  5. Step 5: Solve for x
    x = 72,125,192.28/8,784.42
  6. Step 6: Final answer
    x = 8,210.58

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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.