Home / 7,332.02-10,117.35-4,187.60

Finding the Fourth Proportional to 7,332.02, 10,117.35 and 4,187.60

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Solution

The fourth proportional to 7,332.02, 10,117.35 and 4,187.60 is: 5,778.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.02 : 10,117.35 = 4,187.60 : x
  2. Step 2: Convert to fraction form
    7,332.02/10,117.35 = 4,187.60/x
  3. Step 3: Cross multiply
    7,332.02x = 10,117.35 × 4,187.60
  4. Step 4: Simplify right side
    7,332.02x = 42,367,414.86
  5. Step 5: Solve for x
    x = 42,367,414.86/7,332.02
  6. Step 6: Final answer
    x = 5,778.41

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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.