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Finding the Fourth Proportional to 9,371.40, 14,057.10 and 8,075.40

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Solution

The fourth proportional to 9,371.40, 14,057.10 and 8,075.40 is: 12,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371.40 : 14,057.10 = 8,075.40 : x
  2. Step 2: Convert to fraction form
    9,371.40/14,057.10 = 8,075.40/x
  3. Step 3: Cross multiply
    9,371.40x = 14,057.10 × 8,075.40
  4. Step 4: Simplify right side
    9,371.40x = 113,516,705.34
  5. Step 5: Solve for x
    x = 113,516,705.34/9,371.40
  6. Step 6: Final answer
    x = 12,113.10

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Similar ratio
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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.