Home / 10,619.48-15,937.46-7,355.44

Finding the Fourth Proportional to 10,619.48, 15,937.46 and 7,355.44

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Solution

The fourth proportional to 10,619.48, 15,937.46 and 7,355.44 is: 11,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.48 : 15,937.46 = 7,355.44 : x
  2. Step 2: Convert to fraction form
    10,619.48/15,937.46 = 7,355.44/x
  3. Step 3: Cross multiply
    10,619.48x = 15,937.46 × 7,355.44
  4. Step 4: Simplify right side
    10,619.48x = 117,227,030.78
  5. Step 5: Solve for x
    x = 117,227,030.78/10,619.48
  6. Step 6: Final answer
    x = 11,038.87

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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.