Home / 8,465.14-11,676.45-5,315.86

Finding the Fourth Proportional to 8,465.14, 11,676.45 and 5,315.86

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Solution

The fourth proportional to 8,465.14, 11,676.45 and 5,315.86 is: 7,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.14 : 11,676.45 = 5,315.86 : x
  2. Step 2: Convert to fraction form
    8,465.14/11,676.45 = 5,315.86/x
  3. Step 3: Cross multiply
    8,465.14x = 11,676.45 × 5,315.86
  4. Step 4: Simplify right side
    8,465.14x = 62,070,373.50
  5. Step 5: Solve for x
    x = 62,070,373.50/8,465.14
  6. Step 6: Final answer
    x = 7,332.47

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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.