Home / 10,274.60-14,178.90-5,558.84

Finding the Fourth Proportional to 10,274.60, 14,178.90 and 5,558.84

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Solution

The fourth proportional to 10,274.60, 14,178.90 and 5,558.84 is: 7,671.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.60 : 14,178.90 = 5,558.84 : x
  2. Step 2: Convert to fraction form
    10,274.60/14,178.90 = 5,558.84/x
  3. Step 3: Cross multiply
    10,274.60x = 14,178.90 × 5,558.84
  4. Step 4: Simplify right side
    10,274.60x = 78,818,236.48
  5. Step 5: Solve for x
    x = 78,818,236.48/10,274.60
  6. Step 6: Final answer
    x = 7,671.17

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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.