Home / 8,456.45-11,667.27-5,100.32

Finding the Fourth Proportional to 8,456.45, 11,667.27 and 5,100.32

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Solution

The fourth proportional to 8,456.45, 11,667.27 and 5,100.32 is: 7,036.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.45 : 11,667.27 = 5,100.32 : x
  2. Step 2: Convert to fraction form
    8,456.45/11,667.27 = 5,100.32/x
  3. Step 3: Cross multiply
    8,456.45x = 11,667.27 × 5,100.32
  4. Step 4: Simplify right side
    8,456.45x = 59,506,752.19
  5. Step 5: Solve for x
    x = 59,506,752.19/8,456.45
  6. Step 6: Final answer
    x = 7,036.85

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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.