Home / 11,495.02-15,859.32-6,458.55

Finding the Fourth Proportional to 11,495.02, 15,859.32 and 6,458.55

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Solution

The fourth proportional to 11,495.02, 15,859.32 and 6,458.55 is: 8,910.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,495.02 : 15,859.32 = 6,458.55 : x
  2. Step 2: Convert to fraction form
    11,495.02/15,859.32 = 6,458.55/x
  3. Step 3: Cross multiply
    11,495.02x = 15,859.32 × 6,458.55
  4. Step 4: Simplify right side
    11,495.02x = 102,428,211.19
  5. Step 5: Solve for x
    x = 102,428,211.19/11,495.02
  6. Step 6: Final answer
    x = 8,910.66

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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.