Home / 10,739.96-14,787.47-9,755.81

Finding the Fourth Proportional to 10,739.96, 14,787.47 and 9,755.81

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Solution

The fourth proportional to 10,739.96, 14,787.47 and 9,755.81 is: 13,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.96 : 14,787.47 = 9,755.81 : x
  2. Step 2: Convert to fraction form
    10,739.96/14,787.47 = 9,755.81/x
  3. Step 3: Cross multiply
    10,739.96x = 14,787.47 × 9,755.81
  4. Step 4: Simplify right side
    10,739.96x = 144,263,698.92
  5. Step 5: Solve for x
    x = 144,263,698.92/10,739.96
  6. Step 6: Final answer
    x = 13,432.42

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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.