Home / 10,113.40-15,173.70-9,753.40

Finding the Fourth Proportional to 10,113.40, 15,173.70 and 9,753.40

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Solution

The fourth proportional to 10,113.40, 15,173.70 and 9,753.40 is: 14,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.40 : 15,173.70 = 9,753.40 : x
  2. Step 2: Convert to fraction form
    10,113.40/15,173.70 = 9,753.40/x
  3. Step 3: Cross multiply
    10,113.40x = 15,173.70 × 9,753.40
  4. Step 4: Simplify right side
    10,113.40x = 147,995,165.58
  5. Step 5: Solve for x
    x = 147,995,165.58/10,113.40
  6. Step 6: Final answer
    x = 14,633.57

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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.