Home / 10,400.12-15,593.95-4,770.74

Finding the Fourth Proportional to 10,400.12, 15,593.95 and 4,770.74

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Solution

The fourth proportional to 10,400.12, 15,593.95 and 4,770.74 is: 7,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.12 : 15,593.95 = 4,770.74 : x
  2. Step 2: Convert to fraction form
    10,400.12/15,593.95 = 4,770.74/x
  3. Step 3: Cross multiply
    10,400.12x = 15,593.95 × 4,770.74
  4. Step 4: Simplify right side
    10,400.12x = 74,394,720.01
  5. Step 5: Solve for x
    x = 74,394,720.01/10,400.12
  6. Step 6: Final answer
    x = 7,153.25

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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.