Home / 10,355.64-15,525.36-7,060.56

Finding the Fourth Proportional to 10,355.64, 15,525.36 and 7,060.56

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Solution

The fourth proportional to 10,355.64, 15,525.36 and 7,060.56 is: 10,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.64 : 15,525.36 = 7,060.56 : x
  2. Step 2: Convert to fraction form
    10,355.64/15,525.36 = 7,060.56/x
  3. Step 3: Cross multiply
    10,355.64x = 15,525.36 × 7,060.56
  4. Step 4: Simplify right side
    10,355.64x = 109,617,735.80
  5. Step 5: Solve for x
    x = 109,617,735.80/10,355.64
  6. Step 6: Final answer
    x = 10,585.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.