Home / 9,924.81-13,696.28-5,449.02

Finding the Fourth Proportional to 9,924.81, 13,696.28 and 5,449.02

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Solution

The fourth proportional to 9,924.81, 13,696.28 and 5,449.02 is: 7,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,924.81 : 13,696.28 = 5,449.02 : x
  2. Step 2: Convert to fraction form
    9,924.81/13,696.28 = 5,449.02/x
  3. Step 3: Cross multiply
    9,924.81x = 13,696.28 × 5,449.02
  4. Step 4: Simplify right side
    9,924.81x = 74,631,276.40
  5. Step 5: Solve for x
    x = 74,631,276.40/9,924.81
  6. Step 6: Final answer
    x = 7,519.67

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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.