Home / 31,288.06-46,931.28-10,511.56

Finding the Fourth Proportional to 31,288.06, 46,931.28 and 10,511.56

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Solution

The fourth proportional to 31,288.06, 46,931.28 and 10,511.56 is: 15,767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288.06 : 46,931.28 = 10,511.56 : x
  2. Step 2: Convert to fraction form
    31,288.06/46,931.28 = 10,511.56/x
  3. Step 3: Cross multiply
    31,288.06x = 46,931.28 × 10,511.56
  4. Step 4: Simplify right side
    31,288.06x = 493,320,965.60
  5. Step 5: Solve for x
    x = 493,320,965.60/31,288.06
  6. Step 6: Final answer
    x = 15,767.07

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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.