Home / 11,346.39-15,643.94-7,306.38

Finding the Fourth Proportional to 11,346.39, 15,643.94 and 7,306.38

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Solution

The fourth proportional to 11,346.39, 15,643.94 and 7,306.38 is: 10,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.39 : 15,643.94 = 7,306.38 : x
  2. Step 2: Convert to fraction form
    11,346.39/15,643.94 = 7,306.38/x
  3. Step 3: Cross multiply
    11,346.39x = 15,643.94 × 7,306.38
  4. Step 4: Simplify right side
    11,346.39x = 114,300,533.81
  5. Step 5: Solve for x
    x = 114,300,533.81/11,346.39
  6. Step 6: Final answer
    x = 10,073.74

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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.