Home / 9,933.46-13,708.47-5,457.49

Finding the Fourth Proportional to 9,933.46, 13,708.47 and 5,457.49

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Solution

The fourth proportional to 9,933.46, 13,708.47 and 5,457.49 is: 7,531.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,933.46 : 13,708.47 = 5,457.49 : x
  2. Step 2: Convert to fraction form
    9,933.46/13,708.47 = 5,457.49/x
  3. Step 3: Cross multiply
    9,933.46x = 13,708.47 × 5,457.49
  4. Step 4: Simplify right side
    9,933.46x = 74,813,837.94
  5. Step 5: Solve for x
    x = 74,813,837.94/9,933.46
  6. Step 6: Final answer
    x = 7,531.50

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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.