Home / 10,445.96-15,669.55-4,205.93

Finding the Fourth Proportional to 10,445.96, 15,669.55 and 4,205.93

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Solution

The fourth proportional to 10,445.96, 15,669.55 and 4,205.93 is: 6,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.96 : 15,669.55 = 4,205.93 : x
  2. Step 2: Convert to fraction form
    10,445.96/15,669.55 = 4,205.93/x
  3. Step 3: Cross multiply
    10,445.96x = 15,669.55 × 4,205.93
  4. Step 4: Simplify right side
    10,445.96x = 65,904,957.34
  5. Step 5: Solve for x
    x = 65,904,957.34/10,445.96
  6. Step 6: Final answer
    x = 6,309.13

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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.