Home / 9,372.65-14,069.30-5,428.35

Finding the Fourth Proportional to 9,372.65, 14,069.30 and 5,428.35

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Solution

The fourth proportional to 9,372.65, 14,069.30 and 5,428.35 is: 8,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.65 : 14,069.30 = 5,428.35 : x
  2. Step 2: Convert to fraction form
    9,372.65/14,069.30 = 5,428.35/x
  3. Step 3: Cross multiply
    9,372.65x = 14,069.30 × 5,428.35
  4. Step 4: Simplify right side
    9,372.65x = 76,373,057.51
  5. Step 5: Solve for x
    x = 76,373,057.51/9,372.65
  6. Step 6: Final answer
    x = 8,148.51

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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.