Home / 10,220.75-14,108.23-7,535.10

Finding the Fourth Proportional to 10,220.75, 14,108.23 and 7,535.10

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Solution

The fourth proportional to 10,220.75, 14,108.23 and 7,535.10 is: 10,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.75 : 14,108.23 = 7,535.10 : x
  2. Step 2: Convert to fraction form
    10,220.75/14,108.23 = 7,535.10/x
  3. Step 3: Cross multiply
    10,220.75x = 14,108.23 × 7,535.10
  4. Step 4: Simplify right side
    10,220.75x = 106,306,986.20
  5. Step 5: Solve for x
    x = 106,306,986.20/10,220.75
  6. Step 6: Final answer
    x = 10,401.10

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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.