Home / 10,415.10-15,619.55-5,670.50

Finding the Fourth Proportional to 10,415.10, 15,619.55 and 5,670.50

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Solution

The fourth proportional to 10,415.10, 15,619.55 and 5,670.50 is: 8,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.10 : 15,619.55 = 5,670.50 : x
  2. Step 2: Convert to fraction form
    10,415.10/15,619.55 = 5,670.50/x
  3. Step 3: Cross multiply
    10,415.10x = 15,619.55 × 5,670.50
  4. Step 4: Simplify right side
    10,415.10x = 88,570,658.28
  5. Step 5: Solve for x
    x = 88,570,658.28/10,415.10
  6. Step 6: Final answer
    x = 8,504.06

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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.