Home / 10,274.19-14,178.39-5,558.46

Finding the Fourth Proportional to 10,274.19, 14,178.39 and 5,558.46

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Solution

The fourth proportional to 10,274.19, 14,178.39 and 5,558.46 is: 7,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.19 : 14,178.39 = 5,558.46 : x
  2. Step 2: Convert to fraction form
    10,274.19/14,178.39 = 5,558.46/x
  3. Step 3: Cross multiply
    10,274.19x = 14,178.39 × 5,558.46
  4. Step 4: Simplify right side
    10,274.19x = 78,810,013.68
  5. Step 5: Solve for x
    x = 78,810,013.68/10,274.19
  6. Step 6: Final answer
    x = 7,670.68

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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.