Home / 10,381.41-14,328.48-6,348.93

Finding the Fourth Proportional to 10,381.41, 14,328.48 and 6,348.93

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Solution

The fourth proportional to 10,381.41, 14,328.48 and 6,348.93 is: 8,762.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.41 : 14,328.48 = 6,348.93 : x
  2. Step 2: Convert to fraction form
    10,381.41/14,328.48 = 6,348.93/x
  3. Step 3: Cross multiply
    10,381.41x = 14,328.48 × 6,348.93
  4. Step 4: Simplify right side
    10,381.41x = 90,970,516.53
  5. Step 5: Solve for x
    x = 90,970,516.53/10,381.41
  6. Step 6: Final answer
    x = 8,762.83

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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.