Home / 7,626.02-11,424.21-5,621.06

Finding the Fourth Proportional to 7,626.02, 11,424.21 and 5,621.06

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Solution

The fourth proportional to 7,626.02, 11,424.21 and 5,621.06 is: 8,420.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.02 : 11,424.21 = 5,621.06 : x
  2. Step 2: Convert to fraction form
    7,626.02/11,424.21 = 5,621.06/x
  3. Step 3: Cross multiply
    7,626.02x = 11,424.21 × 5,621.06
  4. Step 4: Simplify right side
    7,626.02x = 64,216,177.34
  5. Step 5: Solve for x
    x = 64,216,177.34/7,626.02
  6. Step 6: Final answer
    x = 8,420.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.