Home / 10,273.63-14,177.55-5,557.81

Finding the Fourth Proportional to 10,273.63, 14,177.55 and 5,557.81

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Solution

The fourth proportional to 10,273.63, 14,177.55 and 5,557.81 is: 7,669.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,273.63 : 14,177.55 = 5,557.81 : x
  2. Step 2: Convert to fraction form
    10,273.63/14,177.55 = 5,557.81/x
  3. Step 3: Cross multiply
    10,273.63x = 14,177.55 × 5,557.81
  4. Step 4: Simplify right side
    10,273.63x = 78,796,129.17
  5. Step 5: Solve for x
    x = 78,796,129.17/10,273.63
  6. Step 6: Final answer
    x = 7,669.75

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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.