Home / 10,983.90-16,475.85-7,047.30

Finding the Fourth Proportional to 10,983.90, 16,475.85 and 7,047.30

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Solution

The fourth proportional to 10,983.90, 16,475.85 and 7,047.30 is: 10,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.90 : 16,475.85 = 7,047.30 : x
  2. Step 2: Convert to fraction form
    10,983.90/16,475.85 = 7,047.30/x
  3. Step 3: Cross multiply
    10,983.90x = 16,475.85 × 7,047.30
  4. Step 4: Simplify right side
    10,983.90x = 116,110,257.71
  5. Step 5: Solve for x
    x = 116,110,257.71/10,983.90
  6. Step 6: Final answer
    x = 10,570.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.