Home / 9,754.28-13,460.91-5,278.02

Finding the Fourth Proportional to 9,754.28, 13,460.91 and 5,278.02

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Solution

The fourth proportional to 9,754.28, 13,460.91 and 5,278.02 is: 7,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,754.28 : 13,460.91 = 5,278.02 : x
  2. Step 2: Convert to fraction form
    9,754.28/13,460.91 = 5,278.02/x
  3. Step 3: Cross multiply
    9,754.28x = 13,460.91 × 5,278.02
  4. Step 4: Simplify right side
    9,754.28x = 71,046,971.99
  5. Step 5: Solve for x
    x = 71,046,971.99/9,754.28
  6. Step 6: Final answer
    x = 7,283.67

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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.