Home / 10,435.35-14,400.75-5,655.43

Finding the Fourth Proportional to 10,435.35, 14,400.75 and 5,655.43

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Solution

The fourth proportional to 10,435.35, 14,400.75 and 5,655.43 is: 7,804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.35 : 14,400.75 = 5,655.43 : x
  2. Step 2: Convert to fraction form
    10,435.35/14,400.75 = 5,655.43/x
  3. Step 3: Cross multiply
    10,435.35x = 14,400.75 × 5,655.43
  4. Step 4: Simplify right side
    10,435.35x = 81,442,451.57
  5. Step 5: Solve for x
    x = 81,442,451.57/10,435.35
  6. Step 6: Final answer
    x = 7,804.48

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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.