Home / 8,564.40-11,816.10-5,028.48

Finding the Fourth Proportional to 8,564.40, 11,816.10 and 5,028.48

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Solution

The fourth proportional to 8,564.40, 11,816.10 and 5,028.48 is: 6,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.40 : 11,816.10 = 5,028.48 : x
  2. Step 2: Convert to fraction form
    8,564.40/11,816.10 = 5,028.48/x
  3. Step 3: Cross multiply
    8,564.40x = 11,816.10 × 5,028.48
  4. Step 4: Simplify right side
    8,564.40x = 59,417,022.53
  5. Step 5: Solve for x
    x = 59,417,022.53/8,564.40
  6. Step 6: Final answer
    x = 6,937.67

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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.