Home / 10,438.04-15,656.36-4,892.63

Finding the Fourth Proportional to 10,438.04, 15,656.36 and 4,892.63

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Solution

The fourth proportional to 10,438.04, 15,656.36 and 4,892.63 is: 7,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.04 : 15,656.36 = 4,892.63 : x
  2. Step 2: Convert to fraction form
    10,438.04/15,656.36 = 4,892.63/x
  3. Step 3: Cross multiply
    10,438.04x = 15,656.36 × 4,892.63
  4. Step 4: Simplify right side
    10,438.04x = 76,600,673.88
  5. Step 5: Solve for x
    x = 76,600,673.88/10,438.04
  6. Step 6: Final answer
    x = 7,338.61

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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.