Home / 10,291.51-15,437.30-2,500.32

Finding the Fourth Proportional to 10,291.51, 15,437.30 and 2,500.32

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Solution

The fourth proportional to 10,291.51, 15,437.30 and 2,500.32 is: 3,750.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.51 : 15,437.30 = 2,500.32 : x
  2. Step 2: Convert to fraction form
    10,291.51/15,437.30 = 2,500.32/x
  3. Step 3: Cross multiply
    10,291.51x = 15,437.30 × 2,500.32
  4. Step 4: Simplify right side
    10,291.51x = 38,598,189.94
  5. Step 5: Solve for x
    x = 38,598,189.94/10,291.51
  6. Step 6: Final answer
    x = 3,750.49

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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.