Home / 7,853.68-10,838.24-4,316.88

Finding the Fourth Proportional to 7,853.68, 10,838.24 and 4,316.88

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Solution

The fourth proportional to 7,853.68, 10,838.24 and 4,316.88 is: 5,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.68 : 10,838.24 = 4,316.88 : x
  2. Step 2: Convert to fraction form
    7,853.68/10,838.24 = 4,316.88/x
  3. Step 3: Cross multiply
    7,853.68x = 10,838.24 × 4,316.88
  4. Step 4: Simplify right side
    7,853.68x = 46,787,381.49
  5. Step 5: Solve for x
    x = 46,787,381.49/7,853.68
  6. Step 6: Final answer
    x = 5,957.38

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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.