Home / 9,140.92-12,614.70-5,606.08

Finding the Fourth Proportional to 9,140.92, 12,614.70 and 5,606.08

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Solution

The fourth proportional to 9,140.92, 12,614.70 and 5,606.08 is: 7,736.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.92 : 12,614.70 = 5,606.08 : x
  2. Step 2: Convert to fraction form
    9,140.92/12,614.70 = 5,606.08/x
  3. Step 3: Cross multiply
    9,140.92x = 12,614.70 × 5,606.08
  4. Step 4: Simplify right side
    9,140.92x = 70,719,017.38
  5. Step 5: Solve for x
    x = 70,719,017.38/9,140.92
  6. Step 6: Final answer
    x = 7,736.53

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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.