Home / 8,607.45-11,875.37-5,465.46

Finding the Fourth Proportional to 8,607.45, 11,875.37 and 5,465.46

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Solution

The fourth proportional to 8,607.45, 11,875.37 and 5,465.46 is: 7,540.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.45 : 11,875.37 = 5,465.46 : x
  2. Step 2: Convert to fraction form
    8,607.45/11,875.37 = 5,465.46/x
  3. Step 3: Cross multiply
    8,607.45x = 11,875.37 × 5,465.46
  4. Step 4: Simplify right side
    8,607.45x = 64,904,332.39
  5. Step 5: Solve for x
    x = 64,904,332.39/8,607.45
  6. Step 6: Final answer
    x = 7,540.48

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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.