Home / 11,709.03-17,555.34-4,312.53

Finding the Fourth Proportional to 11,709.03, 17,555.34 and 4,312.53

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Solution

The fourth proportional to 11,709.03, 17,555.34 and 4,312.53 is: 6,465.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.03 : 17,555.34 = 4,312.53 : x
  2. Step 2: Convert to fraction form
    11,709.03/17,555.34 = 4,312.53/x
  3. Step 3: Cross multiply
    11,709.03x = 17,555.34 × 4,312.53
  4. Step 4: Simplify right side
    11,709.03x = 75,707,930.41
  5. Step 5: Solve for x
    x = 75,707,930.41/11,709.03
  6. Step 6: Final answer
    x = 6,465.77

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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.