Home / 11,492.06-15,859.53-6,456.18

Finding the Fourth Proportional to 11,492.06, 15,859.53 and 6,456.18

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Solution

The fourth proportional to 11,492.06, 15,859.53 and 6,456.18 is: 8,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,492.06 : 15,859.53 = 6,456.18 : x
  2. Step 2: Convert to fraction form
    11,492.06/15,859.53 = 6,456.18/x
  3. Step 3: Cross multiply
    11,492.06x = 15,859.53 × 6,456.18
  4. Step 4: Simplify right side
    11,492.06x = 102,391,980.40
  5. Step 5: Solve for x
    x = 102,391,980.40/11,492.06
  6. Step 6: Final answer
    x = 8,909.80

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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.