Home / 9,313.28-12,852.57-5,538.48

Finding the Fourth Proportional to 9,313.28, 12,852.57 and 5,538.48

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Solution

The fourth proportional to 9,313.28, 12,852.57 and 5,538.48 is: 7,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.28 : 12,852.57 = 5,538.48 : x
  2. Step 2: Convert to fraction form
    9,313.28/12,852.57 = 5,538.48/x
  3. Step 3: Cross multiply
    9,313.28x = 12,852.57 × 5,538.48
  4. Step 4: Simplify right side
    9,313.28x = 71,183,701.89
  5. Step 5: Solve for x
    x = 71,183,701.89/9,313.28
  6. Step 6: Final answer
    x = 7,643.25

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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.