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Finding the Fourth Proportional to 10,804.71, 14,910.42 and 6,090.51

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Solution

The fourth proportional to 10,804.71, 14,910.42 and 6,090.51 is: 8,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,804.71 : 14,910.42 = 6,090.51 : x
  2. Step 2: Convert to fraction form
    10,804.71/14,910.42 = 6,090.51/x
  3. Step 3: Cross multiply
    10,804.71x = 14,910.42 × 6,090.51
  4. Step 4: Simplify right side
    10,804.71x = 90,812,062.11
  5. Step 5: Solve for x
    x = 90,812,062.11/10,804.71
  6. Step 6: Final answer
    x = 8,404.86

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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.