Home / 10,900.62-15,038.19-8,533.26

Finding the Fourth Proportional to 10,900.62, 15,038.19 and 8,533.26

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Solution

The fourth proportional to 10,900.62, 15,038.19 and 8,533.26 is: 11,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.62 : 15,038.19 = 8,533.26 : x
  2. Step 2: Convert to fraction form
    10,900.62/15,038.19 = 8,533.26/x
  3. Step 3: Cross multiply
    10,900.62x = 15,038.19 × 8,533.26
  4. Step 4: Simplify right side
    10,900.62x = 128,324,785.20
  5. Step 5: Solve for x
    x = 128,324,785.20/10,900.62
  6. Step 6: Final answer
    x = 11,772.25

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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.