Home / 7,543.16-10,409.36-4,185.96

Finding the Fourth Proportional to 7,543.16, 10,409.36 and 4,185.96

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Solution

The fourth proportional to 7,543.16, 10,409.36 and 4,185.96 is: 5,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.16 : 10,409.36 = 4,185.96 : x
  2. Step 2: Convert to fraction form
    7,543.16/10,409.36 = 4,185.96/x
  3. Step 3: Cross multiply
    7,543.16x = 10,409.36 × 4,185.96
  4. Step 4: Simplify right side
    7,543.16x = 43,573,143.66
  5. Step 5: Solve for x
    x = 43,573,143.66/7,543.16
  6. Step 6: Final answer
    x = 5,776.51

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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.