Home / 7,712.56-10,642.35-4,523.49

Finding the Fourth Proportional to 7,712.56, 10,642.35 and 4,523.49

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Solution

The fourth proportional to 7,712.56, 10,642.35 and 4,523.49 is: 6,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.56 : 10,642.35 = 4,523.49 : x
  2. Step 2: Convert to fraction form
    7,712.56/10,642.35 = 4,523.49/x
  3. Step 3: Cross multiply
    7,712.56x = 10,642.35 × 4,523.49
  4. Step 4: Simplify right side
    7,712.56x = 48,140,580.76
  5. Step 5: Solve for x
    x = 48,140,580.76/7,712.56
  6. Step 6: Final answer
    x = 6,241.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.