Home / 11,656.03-16,085.73-7,117.66

Finding the Fourth Proportional to 11,656.03, 16,085.73 and 7,117.66

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Solution

The fourth proportional to 11,656.03, 16,085.73 and 7,117.66 is: 9,822.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.03 : 16,085.73 = 7,117.66 : x
  2. Step 2: Convert to fraction form
    11,656.03/16,085.73 = 7,117.66/x
  3. Step 3: Cross multiply
    11,656.03x = 16,085.73 × 7,117.66
  4. Step 4: Simplify right side
    11,656.03x = 114,492,731.12
  5. Step 5: Solve for x
    x = 114,492,731.12/11,656.03
  6. Step 6: Final answer
    x = 9,822.62

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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.