Home / 9,933.44-13,708.54-5,457.40

Finding the Fourth Proportional to 9,933.44, 13,708.54 and 5,457.40

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Solution

The fourth proportional to 9,933.44, 13,708.54 and 5,457.40 is: 7,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,933.44 : 13,708.54 = 5,457.40 : x
  2. Step 2: Convert to fraction form
    9,933.44/13,708.54 = 5,457.40/x
  3. Step 3: Cross multiply
    9,933.44x = 13,708.54 × 5,457.40
  4. Step 4: Simplify right side
    9,933.44x = 74,812,986.20
  5. Step 5: Solve for x
    x = 74,812,986.20/9,933.44
  6. Step 6: Final answer
    x = 7,531.43

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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.