Home / 10,354.80-15,521.40-5,667.60

Finding the Fourth Proportional to 10,354.80, 15,521.40 and 5,667.60

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Solution

The fourth proportional to 10,354.80, 15,521.40 and 5,667.60 is: 8,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.80 : 15,521.40 = 5,667.60 : x
  2. Step 2: Convert to fraction form
    10,354.80/15,521.40 = 5,667.60/x
  3. Step 3: Cross multiply
    10,354.80x = 15,521.40 × 5,667.60
  4. Step 4: Simplify right side
    10,354.80x = 87,969,086.64
  5. Step 5: Solve for x
    x = 87,969,086.64/10,354.80
  6. Step 6: Final answer
    x = 8,495.49

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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.