Home / 10,346.19-14,278.04-5,630.77

Finding the Fourth Proportional to 10,346.19, 14,278.04 and 5,630.77

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Solution

The fourth proportional to 10,346.19, 14,278.04 and 5,630.77 is: 7,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.19 : 14,278.04 = 5,630.77 : x
  2. Step 2: Convert to fraction form
    10,346.19/14,278.04 = 5,630.77/x
  3. Step 3: Cross multiply
    10,346.19x = 14,278.04 × 5,630.77
  4. Step 4: Simplify right side
    10,346.19x = 80,396,359.29
  5. Step 5: Solve for x
    x = 80,396,359.29/10,346.19
  6. Step 6: Final answer
    x = 7,770.62

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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.