Home / 12,565.02-17,325.54-8,021.58

Finding the Fourth Proportional to 12,565.02, 17,325.54 and 8,021.58

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Solution

The fourth proportional to 12,565.02, 17,325.54 and 8,021.58 is: 11,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565.02 : 17,325.54 = 8,021.58 : x
  2. Step 2: Convert to fraction form
    12,565.02/17,325.54 = 8,021.58/x
  3. Step 3: Cross multiply
    12,565.02x = 17,325.54 × 8,021.58
  4. Step 4: Simplify right side
    12,565.02x = 138,978,205.15
  5. Step 5: Solve for x
    x = 138,978,205.15/12,565.02
  6. Step 6: Final answer
    x = 11,060.72

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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.