Home / 7,743.79-10,686.70-4,760.63

Finding the Fourth Proportional to 7,743.79, 10,686.70 and 4,760.63

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Solution

The fourth proportional to 7,743.79, 10,686.70 and 4,760.63 is: 6,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.79 : 10,686.70 = 4,760.63 : x
  2. Step 2: Convert to fraction form
    7,743.79/10,686.70 = 4,760.63/x
  3. Step 3: Cross multiply
    7,743.79x = 10,686.70 × 4,760.63
  4. Step 4: Simplify right side
    7,743.79x = 50,875,424.62
  5. Step 5: Solve for x
    x = 50,875,424.62/7,743.79
  6. Step 6: Final answer
    x = 6,569.84

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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.