Home / 13,474.12-18,594.48-7,809.29

Finding the Fourth Proportional to 13,474.12, 18,594.48 and 7,809.29

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Solution

The fourth proportional to 13,474.12, 18,594.48 and 7,809.29 is: 10,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.12 : 18,594.48 = 7,809.29 : x
  2. Step 2: Convert to fraction form
    13,474.12/18,594.48 = 7,809.29/x
  3. Step 3: Cross multiply
    13,474.12x = 18,594.48 × 7,809.29
  4. Step 4: Simplify right side
    13,474.12x = 145,209,593.75
  5. Step 5: Solve for x
    x = 145,209,593.75/13,474.12
  6. Step 6: Final answer
    x = 10,776.93

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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.