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Finding the Fourth Proportional to 12,210.96, 16,851.96 and 6,903.84

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Solution

The fourth proportional to 12,210.96, 16,851.96 and 6,903.84 is: 9,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.96 : 16,851.96 = 6,903.84 : x
  2. Step 2: Convert to fraction form
    12,210.96/16,851.96 = 6,903.84/x
  3. Step 3: Cross multiply
    12,210.96x = 16,851.96 × 6,903.84
  4. Step 4: Simplify right side
    12,210.96x = 116,343,235.53
  5. Step 5: Solve for x
    x = 116,343,235.53/12,210.96
  6. Step 6: Final answer
    x = 9,527.77

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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.