Home / 10,420.84-14,381.58-5,943.57

Finding the Fourth Proportional to 10,420.84, 14,381.58 and 5,943.57

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Solution

The fourth proportional to 10,420.84, 14,381.58 and 5,943.57 is: 8,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420.84 : 14,381.58 = 5,943.57 : x
  2. Step 2: Convert to fraction form
    10,420.84/14,381.58 = 5,943.57/x
  3. Step 3: Cross multiply
    10,420.84x = 14,381.58 × 5,943.57
  4. Step 4: Simplify right side
    10,420.84x = 85,477,895.80
  5. Step 5: Solve for x
    x = 85,477,895.80/10,420.84
  6. Step 6: Final answer
    x = 8,202.59

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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.