Home / 10,014.45-13,820.97-5,765.67

Finding the Fourth Proportional to 10,014.45, 13,820.97 and 5,765.67

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Solution

The fourth proportional to 10,014.45, 13,820.97 and 5,765.67 is: 7,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.45 : 13,820.97 = 5,765.67 : x
  2. Step 2: Convert to fraction form
    10,014.45/13,820.97 = 5,765.67/x
  3. Step 3: Cross multiply
    10,014.45x = 13,820.97 × 5,765.67
  4. Step 4: Simplify right side
    10,014.45x = 79,687,152.10
  5. Step 5: Solve for x
    x = 79,687,152.10/10,014.45
  6. Step 6: Final answer
    x = 7,957.22

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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.