Home / 9,045.04-13,570.90-3,780.62

Finding the Fourth Proportional to 9,045.04, 13,570.90 and 3,780.62

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Solution

The fourth proportional to 9,045.04, 13,570.90 and 3,780.62 is: 5,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.04 : 13,570.90 = 3,780.62 : x
  2. Step 2: Convert to fraction form
    9,045.04/13,570.90 = 3,780.62/x
  3. Step 3: Cross multiply
    9,045.04x = 13,570.90 × 3,780.62
  4. Step 4: Simplify right side
    9,045.04x = 51,306,415.96
  5. Step 5: Solve for x
    x = 51,306,415.96/9,045.04
  6. Step 6: Final answer
    x = 5,672.33

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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.