Home / 7,421.68-10,236.12-4,769.32

Finding the Fourth Proportional to 7,421.68, 10,236.12 and 4,769.32

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Solution

The fourth proportional to 7,421.68, 10,236.12 and 4,769.32 is: 6,577.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.68 : 10,236.12 = 4,769.32 : x
  2. Step 2: Convert to fraction form
    7,421.68/10,236.12 = 4,769.32/x
  3. Step 3: Cross multiply
    7,421.68x = 10,236.12 × 4,769.32
  4. Step 4: Simplify right side
    7,421.68x = 48,819,331.84
  5. Step 5: Solve for x
    x = 48,819,331.84/7,421.68
  6. Step 6: Final answer
    x = 6,577.94

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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.