Home / 10,270.63-14,173.47-5,554.91

Finding the Fourth Proportional to 10,270.63, 14,173.47 and 5,554.91

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Solution

The fourth proportional to 10,270.63, 14,173.47 and 5,554.91 is: 7,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.63 : 14,173.47 = 5,554.91 : x
  2. Step 2: Convert to fraction form
    10,270.63/14,173.47 = 5,554.91/x
  3. Step 3: Cross multiply
    10,270.63x = 14,173.47 × 5,554.91
  4. Step 4: Simplify right side
    10,270.63x = 78,732,350.24
  5. Step 5: Solve for x
    x = 78,732,350.24/10,270.63
  6. Step 6: Final answer
    x = 7,665.78

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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.