Home / 12,415.63-18,635.15-4,525.77

Finding the Fourth Proportional to 12,415.63, 18,635.15 and 4,525.77

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Solution

The fourth proportional to 12,415.63, 18,635.15 and 4,525.77 is: 6,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.63 : 18,635.15 = 4,525.77 : x
  2. Step 2: Convert to fraction form
    12,415.63/18,635.15 = 4,525.77/x
  3. Step 3: Cross multiply
    12,415.63x = 18,635.15 × 4,525.77
  4. Step 4: Simplify right side
    12,415.63x = 84,338,484.01
  5. Step 5: Solve for x
    x = 84,338,484.01/12,415.63
  6. Step 6: Final answer
    x = 6,792.93

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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.