Home / 7,437.16-11,155.81-2,439.46

Finding the Fourth Proportional to 7,437.16, 11,155.81 and 2,439.46

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Solution

The fourth proportional to 7,437.16, 11,155.81 and 2,439.46 is: 3,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.16 : 11,155.81 = 2,439.46 : x
  2. Step 2: Convert to fraction form
    7,437.16/11,155.81 = 2,439.46/x
  3. Step 3: Cross multiply
    7,437.16x = 11,155.81 × 2,439.46
  4. Step 4: Simplify right side
    7,437.16x = 27,214,152.26
  5. Step 5: Solve for x
    x = 27,214,152.26/7,437.16
  6. Step 6: Final answer
    x = 3,659.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.