Home / 9,864.25-13,612.73-5,672.53

Finding the Fourth Proportional to 9,864.25, 13,612.73 and 5,672.53

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Solution

The fourth proportional to 9,864.25, 13,612.73 and 5,672.53 is: 7,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.25 : 13,612.73 = 5,672.53 : x
  2. Step 2: Convert to fraction form
    9,864.25/13,612.73 = 5,672.53/x
  3. Step 3: Cross multiply
    9,864.25x = 13,612.73 × 5,672.53
  4. Step 4: Simplify right side
    9,864.25x = 77,218,619.31
  5. Step 5: Solve for x
    x = 77,218,619.31/9,864.25
  6. Step 6: Final answer
    x = 7,828.13

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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.