Home / 38,535.12-57,803.87-10,455.06

Finding the Fourth Proportional to 38,535.12, 57,803.87 and 10,455.06

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Solution

The fourth proportional to 38,535.12, 57,803.87 and 10,455.06 is: 15,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,535.12 : 57,803.87 = 10,455.06 : x
  2. Step 2: Convert to fraction form
    38,535.12/57,803.87 = 10,455.06/x
  3. Step 3: Cross multiply
    38,535.12x = 57,803.87 × 10,455.06
  4. Step 4: Simplify right side
    38,535.12x = 604,342,929.08
  5. Step 5: Solve for x
    x = 604,342,929.08/38,535.12
  6. Step 6: Final answer
    x = 15,682.91

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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.