Home / 8,455.10-12,683.10-3,525.24

Finding the Fourth Proportional to 8,455.10, 12,683.10 and 3,525.24

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Solution

The fourth proportional to 8,455.10, 12,683.10 and 3,525.24 is: 5,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.10 : 12,683.10 = 3,525.24 : x
  2. Step 2: Convert to fraction form
    8,455.10/12,683.10 = 3,525.24/x
  3. Step 3: Cross multiply
    8,455.10x = 12,683.10 × 3,525.24
  4. Step 4: Simplify right side
    8,455.10x = 44,710,971.44
  5. Step 5: Solve for x
    x = 44,710,971.44/8,455.10
  6. Step 6: Final answer
    x = 5,288.05

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1.5x scale

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.