Home / 7,518.02-10,379.04-5,003.54

Finding the Fourth Proportional to 7,518.02, 10,379.04 and 5,003.54

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Solution

The fourth proportional to 7,518.02, 10,379.04 and 5,003.54 is: 6,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.02 : 10,379.04 = 5,003.54 : x
  2. Step 2: Convert to fraction form
    7,518.02/10,379.04 = 5,003.54/x
  3. Step 3: Cross multiply
    7,518.02x = 10,379.04 × 5,003.54
  4. Step 4: Simplify right side
    7,518.02x = 51,931,941.80
  5. Step 5: Solve for x
    x = 51,931,941.80/7,518.02
  6. Step 6: Final answer
    x = 6,907.66

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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.