Home / 10,274.15-14,178.35-5,558.44

Finding the Fourth Proportional to 10,274.15, 14,178.35 and 5,558.44

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Solution

The fourth proportional to 10,274.15, 14,178.35 and 5,558.44 is: 7,670.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.15 : 14,178.35 = 5,558.44 : x
  2. Step 2: Convert to fraction form
    10,274.15/14,178.35 = 5,558.44/x
  3. Step 3: Cross multiply
    10,274.15x = 14,178.35 × 5,558.44
  4. Step 4: Simplify right side
    10,274.15x = 78,809,486.22
  5. Step 5: Solve for x
    x = 78,809,486.22/10,274.15
  6. Step 6: Final answer
    x = 7,670.66

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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.