Home / 12,526.50-18,790.67-3,762.10

Finding the Fourth Proportional to 12,526.50, 18,790.67 and 3,762.10

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Solution

The fourth proportional to 12,526.50, 18,790.67 and 3,762.10 is: 5,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.50 : 18,790.67 = 3,762.10 : x
  2. Step 2: Convert to fraction form
    12,526.50/18,790.67 = 3,762.10/x
  3. Step 3: Cross multiply
    12,526.50x = 18,790.67 × 3,762.10
  4. Step 4: Simplify right side
    12,526.50x = 70,692,379.61
  5. Step 5: Solve for x
    x = 70,692,379.61/12,526.50
  6. Step 6: Final answer
    x = 5,643.43

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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.