Home / 9,711.68-14,561.76-3,705.12

Finding the Fourth Proportional to 9,711.68, 14,561.76 and 3,705.12

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Solution

The fourth proportional to 9,711.68, 14,561.76 and 3,705.12 is: 5,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711.68 : 14,561.76 = 3,705.12 : x
  2. Step 2: Convert to fraction form
    9,711.68/14,561.76 = 3,705.12/x
  3. Step 3: Cross multiply
    9,711.68x = 14,561.76 × 3,705.12
  4. Step 4: Simplify right side
    9,711.68x = 53,953,068.21
  5. Step 5: Solve for x
    x = 53,953,068.21/9,711.68
  6. Step 6: Final answer
    x = 5,555.48

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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.