Home / 7,507.40-11,257.32-2,312.60

Finding the Fourth Proportional to 7,507.40, 11,257.32 and 2,312.60

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Solution

The fourth proportional to 7,507.40, 11,257.32 and 2,312.60 is: 3,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.40 : 11,257.32 = 2,312.60 : x
  2. Step 2: Convert to fraction form
    7,507.40/11,257.32 = 2,312.60/x
  3. Step 3: Cross multiply
    7,507.40x = 11,257.32 × 2,312.60
  4. Step 4: Simplify right side
    7,507.40x = 26,033,678.23
  5. Step 5: Solve for x
    x = 26,033,678.23/7,507.40
  6. Step 6: Final answer
    x = 3,467.74

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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.