Home / 11,439.02-17,130.58-7,050.44

Finding the Fourth Proportional to 11,439.02, 17,130.58 and 7,050.44

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Solution

The fourth proportional to 11,439.02, 17,130.58 and 7,050.44 is: 10,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.02 : 17,130.58 = 7,050.44 : x
  2. Step 2: Convert to fraction form
    11,439.02/17,130.58 = 7,050.44/x
  3. Step 3: Cross multiply
    11,439.02x = 17,130.58 × 7,050.44
  4. Step 4: Simplify right side
    11,439.02x = 120,778,023.18
  5. Step 5: Solve for x
    x = 120,778,023.18/11,439.02
  6. Step 6: Final answer
    x = 10,558.43

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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.