Home / 10,273.93-14,178.04-5,558.21

Finding the Fourth Proportional to 10,273.93, 14,178.04 and 5,558.21

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Solution

The fourth proportional to 10,273.93, 14,178.04 and 5,558.21 is: 7,670.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,273.93 : 14,178.04 = 5,558.21 : x
  2. Step 2: Convert to fraction form
    10,273.93/14,178.04 = 5,558.21/x
  3. Step 3: Cross multiply
    10,273.93x = 14,178.04 × 5,558.21
  4. Step 4: Simplify right side
    10,273.93x = 78,804,492.09
  5. Step 5: Solve for x
    x = 78,804,492.09/10,273.93
  6. Step 6: Final answer
    x = 7,670.34

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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.