Home / 10,429.56-15,561.99-9,444.60

Finding the Fourth Proportional to 10,429.56, 15,561.99 and 9,444.60

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Solution

The fourth proportional to 10,429.56, 15,561.99 and 9,444.60 is: 14,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.56 : 15,561.99 = 9,444.60 : x
  2. Step 2: Convert to fraction form
    10,429.56/15,561.99 = 9,444.60/x
  3. Step 3: Cross multiply
    10,429.56x = 15,561.99 × 9,444.60
  4. Step 4: Simplify right side
    10,429.56x = 146,976,770.75
  5. Step 5: Solve for x
    x = 146,976,770.75/10,429.56
  6. Step 6: Final answer
    x = 14,092.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.