Home / 10,708.82-14,776.12-6,931.46

Finding the Fourth Proportional to 10,708.82, 14,776.12 and 6,931.46

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Solution

The fourth proportional to 10,708.82, 14,776.12 and 6,931.46 is: 9,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708.82 : 14,776.12 = 6,931.46 : x
  2. Step 2: Convert to fraction form
    10,708.82/14,776.12 = 6,931.46/x
  3. Step 3: Cross multiply
    10,708.82x = 14,776.12 × 6,931.46
  4. Step 4: Simplify right side
    10,708.82x = 102,420,155.35
  5. Step 5: Solve for x
    x = 102,420,155.35/10,708.82
  6. Step 6: Final answer
    x = 9,564.09

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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.