Home / 9,505.28-13,117.68-5,313.52

Finding the Fourth Proportional to 9,505.28, 13,117.68 and 5,313.52

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Solution

The fourth proportional to 9,505.28, 13,117.68 and 5,313.52 is: 7,332.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.28 : 13,117.68 = 5,313.52 : x
  2. Step 2: Convert to fraction form
    9,505.28/13,117.68 = 5,313.52/x
  3. Step 3: Cross multiply
    9,505.28x = 13,117.68 × 5,313.52
  4. Step 4: Simplify right side
    9,505.28x = 69,701,055.03
  5. Step 5: Solve for x
    x = 69,701,055.03/9,505.28
  6. Step 6: Final answer
    x = 7,332.88

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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.