Home / 9,617.17-13,269.36-5,637.51

Finding the Fourth Proportional to 9,617.17, 13,269.36 and 5,637.51

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Solution

The fourth proportional to 9,617.17, 13,269.36 and 5,637.51 is: 7,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,617.17 : 13,269.36 = 5,637.51 : x
  2. Step 2: Convert to fraction form
    9,617.17/13,269.36 = 5,637.51/x
  3. Step 3: Cross multiply
    9,617.17x = 13,269.36 × 5,637.51
  4. Step 4: Simplify right side
    9,617.17x = 74,806,153.66
  5. Step 5: Solve for x
    x = 74,806,153.66/9,617.17
  6. Step 6: Final answer
    x = 7,778.40

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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.