Home / 9,397.99-12,981.90-8,733.79

Finding the Fourth Proportional to 9,397.99, 12,981.90 and 8,733.79

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Solution

The fourth proportional to 9,397.99, 12,981.90 and 8,733.79 is: 12,064.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.99 : 12,981.90 = 8,733.79 : x
  2. Step 2: Convert to fraction form
    9,397.99/12,981.90 = 8,733.79/x
  3. Step 3: Cross multiply
    9,397.99x = 12,981.90 × 8,733.79
  4. Step 4: Simplify right side
    9,397.99x = 113,381,188.40
  5. Step 5: Solve for x
    x = 113,381,188.40/9,397.99
  6. Step 6: Final answer
    x = 12,064.41

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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.