Home / 9,621.18-13,262.94-7,632.23

Finding the Fourth Proportional to 9,621.18, 13,262.94 and 7,632.23

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Solution

The fourth proportional to 9,621.18, 13,262.94 and 7,632.23 is: 10,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.18 : 13,262.94 = 7,632.23 : x
  2. Step 2: Convert to fraction form
    9,621.18/13,262.94 = 7,632.23/x
  3. Step 3: Cross multiply
    9,621.18x = 13,262.94 × 7,632.23
  4. Step 4: Simplify right side
    9,621.18x = 101,225,742.24
  5. Step 5: Solve for x
    x = 101,225,742.24/9,621.18
  6. Step 6: Final answer
    x = 10,521.14

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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.