Home / 15,111.12-22,658.87-6,783.98

Finding the Fourth Proportional to 15,111.12, 22,658.87 and 6,783.98

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Solution

The fourth proportional to 15,111.12, 22,658.87 and 6,783.98 is: 10,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111.12 : 22,658.87 = 6,783.98 : x
  2. Step 2: Convert to fraction form
    15,111.12/22,658.87 = 6,783.98/x
  3. Step 3: Cross multiply
    15,111.12x = 22,658.87 × 6,783.98
  4. Step 4: Simplify right side
    15,111.12x = 153,717,320.90
  5. Step 5: Solve for x
    x = 153,717,320.90/15,111.12
  6. Step 6: Final answer
    x = 10,172.46

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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.