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Finding the Fourth Proportional to 7,805.16, 11,695.77 and 5,303.16

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Solution

The fourth proportional to 7,805.16, 11,695.77 and 5,303.16 is: 7,946.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805.16 : 11,695.77 = 5,303.16 : x
  2. Step 2: Convert to fraction form
    7,805.16/11,695.77 = 5,303.16/x
  3. Step 3: Cross multiply
    7,805.16x = 11,695.77 × 5,303.16
  4. Step 4: Simplify right side
    7,805.16x = 62,024,539.63
  5. Step 5: Solve for x
    x = 62,024,539.63/7,805.16
  6. Step 6: Final answer
    x = 7,946.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.