Home / 10,821.38-14,933.53-5,853.38

Finding the Fourth Proportional to 10,821.38, 14,933.53 and 5,853.38

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Solution

The fourth proportional to 10,821.38, 14,933.53 and 5,853.38 is: 8,077.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.38 : 14,933.53 = 5,853.38 : x
  2. Step 2: Convert to fraction form
    10,821.38/14,933.53 = 5,853.38/x
  3. Step 3: Cross multiply
    10,821.38x = 14,933.53 × 5,853.38
  4. Step 4: Simplify right side
    10,821.38x = 87,411,536.53
  5. Step 5: Solve for x
    x = 87,411,536.53/10,821.38
  6. Step 6: Final answer
    x = 8,077.67

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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.