Home / 10,273.81-14,177.96-5,558.20

Finding the Fourth Proportional to 10,273.81, 14,177.96 and 5,558.20

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Solution

The fourth proportional to 10,273.81, 14,177.96 and 5,558.20 is: 7,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,273.81 : 14,177.96 = 5,558.20 : x
  2. Step 2: Convert to fraction form
    10,273.81/14,177.96 = 5,558.20/x
  3. Step 3: Cross multiply
    10,273.81x = 14,177.96 × 5,558.20
  4. Step 4: Simplify right side
    10,273.81x = 78,803,937.27
  5. Step 5: Solve for x
    x = 78,803,937.27/10,273.81
  6. Step 6: Final answer
    x = 7,670.37

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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.