Home / 7,845.88-10,827.57-4,309.17

Finding the Fourth Proportional to 7,845.88, 10,827.57 and 4,309.17

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Solution

The fourth proportional to 7,845.88, 10,827.57 and 4,309.17 is: 5,946.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.88 : 10,827.57 = 4,309.17 : x
  2. Step 2: Convert to fraction form
    7,845.88/10,827.57 = 4,309.17/x
  3. Step 3: Cross multiply
    7,845.88x = 10,827.57 × 4,309.17
  4. Step 4: Simplify right side
    7,845.88x = 46,657,818.27
  5. Step 5: Solve for x
    x = 46,657,818.27/7,845.88
  6. Step 6: Final answer
    x = 5,946.79

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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.