Home / 7,410.04-10,226.11-4,990.67

Finding the Fourth Proportional to 7,410.04, 10,226.11 and 4,990.67

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Solution

The fourth proportional to 7,410.04, 10,226.11 and 4,990.67 is: 6,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.04 : 10,226.11 = 4,990.67 : x
  2. Step 2: Convert to fraction form
    7,410.04/10,226.11 = 4,990.67/x
  3. Step 3: Cross multiply
    7,410.04x = 10,226.11 × 4,990.67
  4. Step 4: Simplify right side
    7,410.04x = 51,035,140.39
  5. Step 5: Solve for x
    x = 51,035,140.39/7,410.04
  6. Step 6: Final answer
    x = 6,887.30

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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.