Home / 10,711.35-14,781.69-5,931.63

Finding the Fourth Proportional to 10,711.35, 14,781.69 and 5,931.63

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Solution

The fourth proportional to 10,711.35, 14,781.69 and 5,931.63 is: 8,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.35 : 14,781.69 = 5,931.63 : x
  2. Step 2: Convert to fraction form
    10,711.35/14,781.69 = 5,931.63/x
  3. Step 3: Cross multiply
    10,711.35x = 14,781.69 × 5,931.63
  4. Step 4: Simplify right side
    10,711.35x = 87,679,515.85
  5. Step 5: Solve for x
    x = 87,679,515.85/10,711.35
  6. Step 6: Final answer
    x = 8,185.66

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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.