Home / 8,445.33-12,669.75-3,513.51

Finding the Fourth Proportional to 8,445.33, 12,669.75 and 3,513.51

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Solution

The fourth proportional to 8,445.33, 12,669.75 and 3,513.51 is: 5,271.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.33 : 12,669.75 = 3,513.51 : x
  2. Step 2: Convert to fraction form
    8,445.33/12,669.75 = 3,513.51/x
  3. Step 3: Cross multiply
    8,445.33x = 12,669.75 × 3,513.51
  4. Step 4: Simplify right side
    8,445.33x = 44,515,293.32
  5. Step 5: Solve for x
    x = 44,515,293.32/8,445.33
  6. Step 6: Final answer
    x = 5,271.00

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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.