Home / 9,933.77-13,707.12-5,457.71

Finding the Fourth Proportional to 9,933.77, 13,707.12 and 5,457.71

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Solution

The fourth proportional to 9,933.77, 13,707.12 and 5,457.71 is: 7,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,933.77 : 13,707.12 = 5,457.71 : x
  2. Step 2: Convert to fraction form
    9,933.77/13,707.12 = 5,457.71/x
  3. Step 3: Cross multiply
    9,933.77x = 13,707.12 × 5,457.71
  4. Step 4: Simplify right side
    9,933.77x = 74,809,540.63
  5. Step 5: Solve for x
    x = 74,809,540.63/9,933.77
  6. Step 6: Final answer
    x = 7,530.83

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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.