Home / 8,484.02-12,704.80-5,354.58

Finding the Fourth Proportional to 8,484.02, 12,704.80 and 5,354.58

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Solution

The fourth proportional to 8,484.02, 12,704.80 and 5,354.58 is: 8,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.02 : 12,704.80 = 5,354.58 : x
  2. Step 2: Convert to fraction form
    8,484.02/12,704.80 = 5,354.58/x
  3. Step 3: Cross multiply
    8,484.02x = 12,704.80 × 5,354.58
  4. Step 4: Simplify right side
    8,484.02x = 68,028,867.98
  5. Step 5: Solve for x
    x = 68,028,867.98/8,484.02
  6. Step 6: Final answer
    x = 8,018.47

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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.