Home / 9,881.48-13,637.25-5,633.87

Finding the Fourth Proportional to 9,881.48, 13,637.25 and 5,633.87

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Solution

The fourth proportional to 9,881.48, 13,637.25 and 5,633.87 is: 7,775.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.48 : 13,637.25 = 5,633.87 : x
  2. Step 2: Convert to fraction form
    9,881.48/13,637.25 = 5,633.87/x
  3. Step 3: Cross multiply
    9,881.48x = 13,637.25 × 5,633.87
  4. Step 4: Simplify right side
    9,881.48x = 76,830,425.47
  5. Step 5: Solve for x
    x = 76,830,425.47/9,881.48
  6. Step 6: Final answer
    x = 7,775.19

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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.