Home / 11,495.12-15,862.90-6,459.64

Finding the Fourth Proportional to 11,495.12, 15,862.90 and 6,459.64

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Solution

The fourth proportional to 11,495.12, 15,862.90 and 6,459.64 is: 8,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,495.12 : 15,862.90 = 6,459.64 : x
  2. Step 2: Convert to fraction form
    11,495.12/15,862.90 = 6,459.64/x
  3. Step 3: Cross multiply
    11,495.12x = 15,862.90 × 6,459.64
  4. Step 4: Simplify right side
    11,495.12x = 102,468,623.36
  5. Step 5: Solve for x
    x = 102,468,623.36/11,495.12
  6. Step 6: Final answer
    x = 8,914.10

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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.