Home / 40,782.30-61,166.12-11,196.24

Finding the Fourth Proportional to 40,782.30, 61,166.12 and 11,196.24

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Solution

The fourth proportional to 40,782.30, 61,166.12 and 11,196.24 is: 16,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.30 : 61,166.12 = 11,196.24 : x
  2. Step 2: Convert to fraction form
    40,782.30/61,166.12 = 11,196.24/x
  3. Step 3: Cross multiply
    40,782.30x = 61,166.12 × 11,196.24
  4. Step 4: Simplify right side
    40,782.30x = 684,830,559.39
  5. Step 5: Solve for x
    x = 684,830,559.39/40,782.30
  6. Step 6: Final answer
    x = 16,792.35

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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.