Home / 8,588.53-11,847.99-5,405.77

Finding the Fourth Proportional to 8,588.53, 11,847.99 and 5,405.77

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Solution

The fourth proportional to 8,588.53, 11,847.99 and 5,405.77 is: 7,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.53 : 11,847.99 = 5,405.77 : x
  2. Step 2: Convert to fraction form
    8,588.53/11,847.99 = 5,405.77/x
  3. Step 3: Cross multiply
    8,588.53x = 11,847.99 × 5,405.77
  4. Step 4: Simplify right side
    8,588.53x = 64,047,508.90
  5. Step 5: Solve for x
    x = 64,047,508.90/8,588.53
  6. Step 6: Final answer
    x = 7,457.33

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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.