Home / 12,562.40-17,335.68-6,973.12

Finding the Fourth Proportional to 12,562.40, 17,335.68 and 6,973.12

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Solution

The fourth proportional to 12,562.40, 17,335.68 and 6,973.12 is: 9,622.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.40 : 17,335.68 = 6,973.12 : x
  2. Step 2: Convert to fraction form
    12,562.40/17,335.68 = 6,973.12/x
  3. Step 3: Cross multiply
    12,562.40x = 17,335.68 × 6,973.12
  4. Step 4: Simplify right side
    12,562.40x = 120,883,776.92
  5. Step 5: Solve for x
    x = 120,883,776.92/12,562.40
  6. Step 6: Final answer
    x = 9,622.67

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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.