Home / 12,562.23-17,315.64-8,527.83

Finding the Fourth Proportional to 12,562.23, 17,315.64 and 8,527.83

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Solution

The fourth proportional to 12,562.23, 17,315.64 and 8,527.83 is: 11,754.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.23 : 17,315.64 = 8,527.83 : x
  2. Step 2: Convert to fraction form
    12,562.23/17,315.64 = 8,527.83/x
  3. Step 3: Cross multiply
    12,562.23x = 17,315.64 × 8,527.83
  4. Step 4: Simplify right side
    12,562.23x = 147,664,834.26
  5. Step 5: Solve for x
    x = 147,664,834.26/12,562.23
  6. Step 6: Final answer
    x = 11,754.67

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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.