Home / 7,548.45-10,416.60-4,191.12

Finding the Fourth Proportional to 7,548.45, 10,416.60 and 4,191.12

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Solution

The fourth proportional to 7,548.45, 10,416.60 and 4,191.12 is: 5,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.45 : 10,416.60 = 4,191.12 : x
  2. Step 2: Convert to fraction form
    7,548.45/10,416.60 = 4,191.12/x
  3. Step 3: Cross multiply
    7,548.45x = 10,416.60 × 4,191.12
  4. Step 4: Simplify right side
    7,548.45x = 43,657,220.59
  5. Step 5: Solve for x
    x = 43,657,220.59/7,548.45
  6. Step 6: Final answer
    x = 5,783.60

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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.