Home / 9,817.80-13,548.70-5,341.68

Finding the Fourth Proportional to 9,817.80, 13,548.70 and 5,341.68

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Solution

The fourth proportional to 9,817.80, 13,548.70 and 5,341.68 is: 7,371.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,817.80 : 13,548.70 = 5,341.68 : x
  2. Step 2: Convert to fraction form
    9,817.80/13,548.70 = 5,341.68/x
  3. Step 3: Cross multiply
    9,817.80x = 13,548.70 × 5,341.68
  4. Step 4: Simplify right side
    9,817.80x = 72,372,819.82
  5. Step 5: Solve for x
    x = 72,372,819.82/9,817.80
  6. Step 6: Final answer
    x = 7,371.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.