Home / 7,719.39-10,653.17-4,362.34

Finding the Fourth Proportional to 7,719.39, 10,653.17 and 4,362.34

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Solution

The fourth proportional to 7,719.39, 10,653.17 and 4,362.34 is: 6,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.39 : 10,653.17 = 4,362.34 : x
  2. Step 2: Convert to fraction form
    7,719.39/10,653.17 = 4,362.34/x
  3. Step 3: Cross multiply
    7,719.39x = 10,653.17 × 4,362.34
  4. Step 4: Simplify right side
    7,719.39x = 46,472,749.62
  5. Step 5: Solve for x
    x = 46,472,749.62/7,719.39
  6. Step 6: Final answer
    x = 6,020.26

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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.