Home / 10,562.27-14,562.69-6,778.76

Finding the Fourth Proportional to 10,562.27, 14,562.69 and 6,778.76

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Solution

The fourth proportional to 10,562.27, 14,562.69 and 6,778.76 is: 9,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,562.27 : 14,562.69 = 6,778.76 : x
  2. Step 2: Convert to fraction form
    10,562.27/14,562.69 = 6,778.76/x
  3. Step 3: Cross multiply
    10,562.27x = 14,562.69 × 6,778.76
  4. Step 4: Simplify right side
    10,562.27x = 98,716,980.46
  5. Step 5: Solve for x
    x = 98,716,980.46/10,562.27
  6. Step 6: Final answer
    x = 9,346.19

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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.