Home / 9,472.12-13,071.54-5,280.28

Finding the Fourth Proportional to 9,472.12, 13,071.54 and 5,280.28

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Solution

The fourth proportional to 9,472.12, 13,071.54 and 5,280.28 is: 7,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,472.12 : 13,071.54 = 5,280.28 : x
  2. Step 2: Convert to fraction form
    9,472.12/13,071.54 = 5,280.28/x
  3. Step 3: Cross multiply
    9,472.12x = 13,071.54 × 5,280.28
  4. Step 4: Simplify right side
    9,472.12x = 69,021,391.23
  5. Step 5: Solve for x
    x = 69,021,391.23/9,472.12
  6. Step 6: Final answer
    x = 7,286.79

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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.