Home / 10,330.56-14,256.21-5,614.80

Finding the Fourth Proportional to 10,330.56, 14,256.21 and 5,614.80

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Solution

The fourth proportional to 10,330.56, 14,256.21 and 5,614.80 is: 7,748.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.56 : 14,256.21 = 5,614.80 : x
  2. Step 2: Convert to fraction form
    10,330.56/14,256.21 = 5,614.80/x
  3. Step 3: Cross multiply
    10,330.56x = 14,256.21 × 5,614.80
  4. Step 4: Simplify right side
    10,330.56x = 80,045,767.91
  5. Step 5: Solve for x
    x = 80,045,767.91/10,330.56
  6. Step 6: Final answer
    x = 7,748.44

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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.