Home / 10,435.08-15,656.12-3,415.42

Finding the Fourth Proportional to 10,435.08, 15,656.12 and 3,415.42

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Solution

The fourth proportional to 10,435.08, 15,656.12 and 3,415.42 is: 5,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.08 : 15,656.12 = 3,415.42 : x
  2. Step 2: Convert to fraction form
    10,435.08/15,656.12 = 3,415.42/x
  3. Step 3: Cross multiply
    10,435.08x = 15,656.12 × 3,415.42
  4. Step 4: Simplify right side
    10,435.08x = 53,472,225.37
  5. Step 5: Solve for x
    x = 53,472,225.37/10,435.08
  6. Step 6: Final answer
    x = 5,124.28

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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.