Home / 37,665.12-56,491.68-9,965.28

Finding the Fourth Proportional to 37,665.12, 56,491.68 and 9,965.28

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Solution

The fourth proportional to 37,665.12, 56,491.68 and 9,965.28 is: 14,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,665.12 : 56,491.68 = 9,965.28 : x
  2. Step 2: Convert to fraction form
    37,665.12/56,491.68 = 9,965.28/x
  3. Step 3: Cross multiply
    37,665.12x = 56,491.68 × 9,965.28
  4. Step 4: Simplify right side
    37,665.12x = 562,955,408.87
  5. Step 5: Solve for x
    x = 562,955,408.87/37,665.12
  6. Step 6: Final answer
    x = 14,946.33

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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.