Home / 9,019.29-12,446.54-5,040.30

Finding the Fourth Proportional to 9,019.29, 12,446.54 and 5,040.30

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Solution

The fourth proportional to 9,019.29, 12,446.54 and 5,040.30 is: 6,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.29 : 12,446.54 = 5,040.30 : x
  2. Step 2: Convert to fraction form
    9,019.29/12,446.54 = 5,040.30/x
  3. Step 3: Cross multiply
    9,019.29x = 12,446.54 × 5,040.30
  4. Step 4: Simplify right side
    9,019.29x = 62,734,208.13
  5. Step 5: Solve for x
    x = 62,734,208.13/9,019.29
  6. Step 6: Final answer
    x = 6,955.56

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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.