Home / 8,557.47-12,835.53-2,317.77

Finding the Fourth Proportional to 8,557.47, 12,835.53 and 2,317.77

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Solution

The fourth proportional to 8,557.47, 12,835.53 and 2,317.77 is: 3,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.47 : 12,835.53 = 2,317.77 : x
  2. Step 2: Convert to fraction form
    8,557.47/12,835.53 = 2,317.77/x
  3. Step 3: Cross multiply
    8,557.47x = 12,835.53 × 2,317.77
  4. Step 4: Simplify right side
    8,557.47x = 29,749,806.37
  5. Step 5: Solve for x
    x = 29,749,806.37/8,557.47
  6. Step 6: Final answer
    x = 3,476.47

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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.