Home / 9,935.16-13,710.86-5,459.32

Finding the Fourth Proportional to 9,935.16, 13,710.86 and 5,459.32

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Solution

The fourth proportional to 9,935.16, 13,710.86 and 5,459.32 is: 7,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.16 : 13,710.86 = 5,459.32 : x
  2. Step 2: Convert to fraction form
    9,935.16/13,710.86 = 5,459.32/x
  3. Step 3: Cross multiply
    9,935.16x = 13,710.86 × 5,459.32
  4. Step 4: Simplify right side
    9,935.16x = 74,851,972.22
  5. Step 5: Solve for x
    x = 74,851,972.22/9,935.16
  6. Step 6: Final answer
    x = 7,534.05

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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.