Home / 9,432.02-13,018.53-5,455.44

Finding the Fourth Proportional to 9,432.02, 13,018.53 and 5,455.44

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Solution

The fourth proportional to 9,432.02, 13,018.53 and 5,455.44 is: 7,529.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.02 : 13,018.53 = 5,455.44 : x
  2. Step 2: Convert to fraction form
    9,432.02/13,018.53 = 5,455.44/x
  3. Step 3: Cross multiply
    9,432.02x = 13,018.53 × 5,455.44
  4. Step 4: Simplify right side
    9,432.02x = 71,021,782.03
  5. Step 5: Solve for x
    x = 71,021,782.03/9,432.02
  6. Step 6: Final answer
    x = 7,529.86

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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.