Home / 9,328.68-13,991.40-3,484.08

Finding the Fourth Proportional to 9,328.68, 13,991.40 and 3,484.08

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Solution

The fourth proportional to 9,328.68, 13,991.40 and 3,484.08 is: 5,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.68 : 13,991.40 = 3,484.08 : x
  2. Step 2: Convert to fraction form
    9,328.68/13,991.40 = 3,484.08/x
  3. Step 3: Cross multiply
    9,328.68x = 13,991.40 × 3,484.08
  4. Step 4: Simplify right side
    9,328.68x = 48,747,156.91
  5. Step 5: Solve for x
    x = 48,747,156.91/9,328.68
  6. Step 6: Final answer
    x = 5,225.51

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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.