Home / 9,681.47-13,355.51-6,326.25

Finding the Fourth Proportional to 9,681.47, 13,355.51 and 6,326.25

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Solution

The fourth proportional to 9,681.47, 13,355.51 and 6,326.25 is: 8,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681.47 : 13,355.51 = 6,326.25 : x
  2. Step 2: Convert to fraction form
    9,681.47/13,355.51 = 6,326.25/x
  3. Step 3: Cross multiply
    9,681.47x = 13,355.51 × 6,326.25
  4. Step 4: Simplify right side
    9,681.47x = 84,490,310.95
  5. Step 5: Solve for x
    x = 84,490,310.95/9,681.47
  6. Step 6: Final answer
    x = 8,727.01

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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.