Home / 8,499.17-11,730.53-5,431.06

Finding the Fourth Proportional to 8,499.17, 11,730.53 and 5,431.06

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Solution

The fourth proportional to 8,499.17, 11,730.53 and 5,431.06 is: 7,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.17 : 11,730.53 = 5,431.06 : x
  2. Step 2: Convert to fraction form
    8,499.17/11,730.53 = 5,431.06/x
  3. Step 3: Cross multiply
    8,499.17x = 11,730.53 × 5,431.06
  4. Step 4: Simplify right side
    8,499.17x = 63,709,212.26
  5. Step 5: Solve for x
    x = 63,709,212.26/8,499.17
  6. Step 6: Final answer
    x = 7,495.93

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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.