Home / 7,543.35-10,409.13-4,186.11

Finding the Fourth Proportional to 7,543.35, 10,409.13 and 4,186.11

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Solution

The fourth proportional to 7,543.35, 10,409.13 and 4,186.11 is: 5,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.35 : 10,409.13 = 4,186.11 : x
  2. Step 2: Convert to fraction form
    7,543.35/10,409.13 = 4,186.11/x
  3. Step 3: Cross multiply
    7,543.35x = 10,409.13 × 4,186.11
  4. Step 4: Simplify right side
    7,543.35x = 43,573,763.18
  5. Step 5: Solve for x
    x = 43,573,763.18/7,543.35
  6. Step 6: Final answer
    x = 5,776.45

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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.