Home / 9,153.96-12,632.74-5,521.02

Finding the Fourth Proportional to 9,153.96, 12,632.74 and 5,521.02

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Solution

The fourth proportional to 9,153.96, 12,632.74 and 5,521.02 is: 7,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.96 : 12,632.74 = 5,521.02 : x
  2. Step 2: Convert to fraction form
    9,153.96/12,632.74 = 5,521.02/x
  3. Step 3: Cross multiply
    9,153.96x = 12,632.74 × 5,521.02
  4. Step 4: Simplify right side
    9,153.96x = 69,745,610.19
  5. Step 5: Solve for x
    x = 69,745,610.19/9,153.96
  6. Step 6: Final answer
    x = 7,619.17

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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.