Home / 9,108.45-12,565.13-6,124.41

Finding the Fourth Proportional to 9,108.45, 12,565.13 and 6,124.41

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Solution

The fourth proportional to 9,108.45, 12,565.13 and 6,124.41 is: 8,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.45 : 12,565.13 = 6,124.41 : x
  2. Step 2: Convert to fraction form
    9,108.45/12,565.13 = 6,124.41/x
  3. Step 3: Cross multiply
    9,108.45x = 12,565.13 × 6,124.41
  4. Step 4: Simplify right side
    9,108.45x = 76,953,977.20
  5. Step 5: Solve for x
    x = 76,953,977.20/9,108.45
  6. Step 6: Final answer
    x = 8,448.64

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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.