Home / 7,509.70-11,248.35-4,885.30

Finding the Fourth Proportional to 7,509.70, 11,248.35 and 4,885.30

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Solution

The fourth proportional to 7,509.70, 11,248.35 and 4,885.30 is: 7,317.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.70 : 11,248.35 = 4,885.30 : x
  2. Step 2: Convert to fraction form
    7,509.70/11,248.35 = 4,885.30/x
  3. Step 3: Cross multiply
    7,509.70x = 11,248.35 × 4,885.30
  4. Step 4: Simplify right side
    7,509.70x = 54,951,564.26
  5. Step 5: Solve for x
    x = 54,951,564.26/7,509.70
  6. Step 6: Final answer
    x = 7,317.41

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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.