Home / 13,210.01-18,229.64-7,241.67

Finding the Fourth Proportional to 13,210.01, 18,229.64 and 7,241.67

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Solution

The fourth proportional to 13,210.01, 18,229.64 and 7,241.67 is: 9,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.01 : 18,229.64 = 7,241.67 : x
  2. Step 2: Convert to fraction form
    13,210.01/18,229.64 = 7,241.67/x
  3. Step 3: Cross multiply
    13,210.01x = 18,229.64 × 7,241.67
  4. Step 4: Simplify right side
    13,210.01x = 132,013,037.10
  5. Step 5: Solve for x
    x = 132,013,037.10/13,210.01
  6. Step 6: Final answer
    x = 9,993.41

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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.