Home / 8,501.60-11,730.84-4,724.70

Finding the Fourth Proportional to 8,501.60, 11,730.84 and 4,724.70

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Solution

The fourth proportional to 8,501.60, 11,730.84 and 4,724.70 is: 6,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.60 : 11,730.84 = 4,724.70 : x
  2. Step 2: Convert to fraction form
    8,501.60/11,730.84 = 4,724.70/x
  3. Step 3: Cross multiply
    8,501.60x = 11,730.84 × 4,724.70
  4. Step 4: Simplify right side
    8,501.60x = 55,424,699.75
  5. Step 5: Solve for x
    x = 55,424,699.75/8,501.60
  6. Step 6: Final answer
    x = 6,519.33

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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.