Home / 9,772.58-13,485.36-5,524.01

Finding the Fourth Proportional to 9,772.58, 13,485.36 and 5,524.01

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Solution

The fourth proportional to 9,772.58, 13,485.36 and 5,524.01 is: 7,622.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772.58 : 13,485.36 = 5,524.01 : x
  2. Step 2: Convert to fraction form
    9,772.58/13,485.36 = 5,524.01/x
  3. Step 3: Cross multiply
    9,772.58x = 13,485.36 × 5,524.01
  4. Step 4: Simplify right side
    9,772.58x = 74,493,263.49
  5. Step 5: Solve for x
    x = 74,493,263.49/9,772.58
  6. Step 6: Final answer
    x = 7,622.68

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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.