Home / 10,604.96-14,634.74-6,128.70

Finding the Fourth Proportional to 10,604.96, 14,634.74 and 6,128.70

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Solution

The fourth proportional to 10,604.96, 14,634.74 and 6,128.70 is: 8,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.96 : 14,634.74 = 6,128.70 : x
  2. Step 2: Convert to fraction form
    10,604.96/14,634.74 = 6,128.70/x
  3. Step 3: Cross multiply
    10,604.96x = 14,634.74 × 6,128.70
  4. Step 4: Simplify right side
    10,604.96x = 89,691,931.04
  5. Step 5: Solve for x
    x = 89,691,931.04/10,604.96
  6. Step 6: Final answer
    x = 8,457.55

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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.