Home / 7,467.20-10,303.80-4,110.20

Finding the Fourth Proportional to 7,467.20, 10,303.80 and 4,110.20

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Solution

The fourth proportional to 7,467.20, 10,303.80 and 4,110.20 is: 5,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,467.20 : 10,303.80 = 4,110.20 : x
  2. Step 2: Convert to fraction form
    7,467.20/10,303.80 = 4,110.20/x
  3. Step 3: Cross multiply
    7,467.20x = 10,303.80 × 4,110.20
  4. Step 4: Simplify right side
    7,467.20x = 42,350,678.76
  5. Step 5: Solve for x
    x = 42,350,678.76/7,467.20
  6. Step 6: Final answer
    x = 5,671.56

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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.