Home / 8,465.15-12,693.39-3,533.46

Finding the Fourth Proportional to 8,465.15, 12,693.39 and 3,533.46

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Solution

The fourth proportional to 8,465.15, 12,693.39 and 3,533.46 is: 5,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.15 : 12,693.39 = 3,533.46 : x
  2. Step 2: Convert to fraction form
    8,465.15/12,693.39 = 3,533.46/x
  3. Step 3: Cross multiply
    8,465.15x = 12,693.39 × 3,533.46
  4. Step 4: Simplify right side
    8,465.15x = 44,851,585.83
  5. Step 5: Solve for x
    x = 44,851,585.83/8,465.15
  6. Step 6: Final answer
    x = 5,298.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.