Home / 9,933.80-13,708.86-5,457.64

Finding the Fourth Proportional to 9,933.80, 13,708.86 and 5,457.64

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Solution

The fourth proportional to 9,933.80, 13,708.86 and 5,457.64 is: 7,531.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,933.80 : 13,708.86 = 5,457.64 : x
  2. Step 2: Convert to fraction form
    9,933.80/13,708.86 = 5,457.64/x
  3. Step 3: Cross multiply
    9,933.80x = 13,708.86 × 5,457.64
  4. Step 4: Simplify right side
    9,933.80x = 74,818,022.69
  5. Step 5: Solve for x
    x = 74,818,022.69/9,933.80
  6. Step 6: Final answer
    x = 7,531.66

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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.