Home / 10,435.08-14,400.62-6,456.12

Finding the Fourth Proportional to 10,435.08, 14,400.62 and 6,456.12

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Solution

The fourth proportional to 10,435.08, 14,400.62 and 6,456.12 is: 8,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.08 : 14,400.62 = 6,456.12 : x
  2. Step 2: Convert to fraction form
    10,435.08/14,400.62 = 6,456.12/x
  3. Step 3: Cross multiply
    10,435.08x = 14,400.62 × 6,456.12
  4. Step 4: Simplify right side
    10,435.08x = 92,972,130.79
  5. Step 5: Solve for x
    x = 92,972,130.79/10,435.08
  6. Step 6: Final answer
    x = 8,909.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.