Home / 7,487.62-10,333.36-4,131.16

Finding the Fourth Proportional to 7,487.62, 10,333.36 and 4,131.16

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Solution

The fourth proportional to 7,487.62, 10,333.36 and 4,131.16 is: 5,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.62 : 10,333.36 = 4,131.16 : x
  2. Step 2: Convert to fraction form
    7,487.62/10,333.36 = 4,131.16/x
  3. Step 3: Cross multiply
    7,487.62x = 10,333.36 × 4,131.16
  4. Step 4: Simplify right side
    7,487.62x = 42,688,763.50
  5. Step 5: Solve for x
    x = 42,688,763.50/7,487.62
  6. Step 6: Final answer
    x = 5,701.25

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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.