Home / 10,628.82-14,660.19-7,085.88

Finding the Fourth Proportional to 10,628.82, 14,660.19 and 7,085.88

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Solution

The fourth proportional to 10,628.82, 14,660.19 and 7,085.88 is: 9,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.82 : 14,660.19 = 7,085.88 : x
  2. Step 2: Convert to fraction form
    10,628.82/14,660.19 = 7,085.88/x
  3. Step 3: Cross multiply
    10,628.82x = 14,660.19 × 7,085.88
  4. Step 4: Simplify right side
    10,628.82x = 103,880,347.12
  5. Step 5: Solve for x
    x = 103,880,347.12/10,628.82
  6. Step 6: Final answer
    x = 9,773.46

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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.