Home / 10,041.72-15,067.75-4,782.70

Finding the Fourth Proportional to 10,041.72, 15,067.75 and 4,782.70

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Solution

The fourth proportional to 10,041.72, 15,067.75 and 4,782.70 is: 7,176.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,041.72 : 15,067.75 = 4,782.70 : x
  2. Step 2: Convert to fraction form
    10,041.72/15,067.75 = 4,782.70/x
  3. Step 3: Cross multiply
    10,041.72x = 15,067.75 × 4,782.70
  4. Step 4: Simplify right side
    10,041.72x = 72,064,428.67
  5. Step 5: Solve for x
    x = 72,064,428.67/10,041.72
  6. Step 6: Final answer
    x = 7,176.50

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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.