Home / 8,403.36-11,595.86-4,866.80

Finding the Fourth Proportional to 8,403.36, 11,595.86 and 4,866.80

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Solution

The fourth proportional to 8,403.36, 11,595.86 and 4,866.80 is: 6,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.36 : 11,595.86 = 4,866.80 : x
  2. Step 2: Convert to fraction form
    8,403.36/11,595.86 = 4,866.80/x
  3. Step 3: Cross multiply
    8,403.36x = 11,595.86 × 4,866.80
  4. Step 4: Simplify right side
    8,403.36x = 56,434,731.45
  5. Step 5: Solve for x
    x = 56,434,731.45/8,403.36
  6. Step 6: Final answer
    x = 6,715.73

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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.