Home / 11,219.02-15,477.10-6,500.56

Finding the Fourth Proportional to 11,219.02, 15,477.10 and 6,500.56

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Solution

The fourth proportional to 11,219.02, 15,477.10 and 6,500.56 is: 8,967.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.02 : 15,477.10 = 6,500.56 : x
  2. Step 2: Convert to fraction form
    11,219.02/15,477.10 = 6,500.56/x
  3. Step 3: Cross multiply
    11,219.02x = 15,477.10 × 6,500.56
  4. Step 4: Simplify right side
    11,219.02x = 100,609,817.18
  5. Step 5: Solve for x
    x = 100,609,817.18/11,219.02
  6. Step 6: Final answer
    x = 8,967.79

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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.