Home / 8,486.43-11,718.17-5,303.45

Finding the Fourth Proportional to 8,486.43, 11,718.17 and 5,303.45

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Solution

The fourth proportional to 8,486.43, 11,718.17 and 5,303.45 is: 7,323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.43 : 11,718.17 = 5,303.45 : x
  2. Step 2: Convert to fraction form
    8,486.43/11,718.17 = 5,303.45/x
  3. Step 3: Cross multiply
    8,486.43x = 11,718.17 × 5,303.45
  4. Step 4: Simplify right side
    8,486.43x = 62,146,643.58
  5. Step 5: Solve for x
    x = 62,146,643.58/8,486.43
  6. Step 6: Final answer
    x = 7,323.06

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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.