Home / 9,956.45-13,756.91-8,695.58

Finding the Fourth Proportional to 9,956.45, 13,756.91 and 8,695.58

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Solution

The fourth proportional to 9,956.45, 13,756.91 and 8,695.58 is: 12,014.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.45 : 13,756.91 = 8,695.58 : x
  2. Step 2: Convert to fraction form
    9,956.45/13,756.91 = 8,695.58/x
  3. Step 3: Cross multiply
    9,956.45x = 13,756.91 × 8,695.58
  4. Step 4: Simplify right side
    9,956.45x = 119,624,199.20
  5. Step 5: Solve for x
    x = 119,624,199.20/9,956.45
  6. Step 6: Final answer
    x = 12,014.74

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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.