Home / 9,507.44-13,121.06-5,528.81

Finding the Fourth Proportional to 9,507.44, 13,121.06 and 5,528.81

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Solution

The fourth proportional to 9,507.44, 13,121.06 and 5,528.81 is: 7,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,507.44 : 13,121.06 = 5,528.81 : x
  2. Step 2: Convert to fraction form
    9,507.44/13,121.06 = 5,528.81/x
  3. Step 3: Cross multiply
    9,507.44x = 13,121.06 × 5,528.81
  4. Step 4: Simplify right side
    9,507.44x = 72,543,754.49
  5. Step 5: Solve for x
    x = 72,543,754.49/9,507.44
  6. Step 6: Final answer
    x = 7,630.21

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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.