Home / 9,021.13-12,444.81-5,662.28

Finding the Fourth Proportional to 9,021.13, 12,444.81 and 5,662.28

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Solution

The fourth proportional to 9,021.13, 12,444.81 and 5,662.28 is: 7,811.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.13 : 12,444.81 = 5,662.28 : x
  2. Step 2: Convert to fraction form
    9,021.13/12,444.81 = 5,662.28/x
  3. Step 3: Cross multiply
    9,021.13x = 12,444.81 × 5,662.28
  4. Step 4: Simplify right side
    9,021.13x = 70,465,998.77
  5. Step 5: Solve for x
    x = 70,465,998.77/9,021.13
  6. Step 6: Final answer
    x = 7,811.22

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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.