Home / 9,935.51-13,711.30-5,459.39

Finding the Fourth Proportional to 9,935.51, 13,711.30 and 5,459.39

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Solution

The fourth proportional to 9,935.51, 13,711.30 and 5,459.39 is: 7,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.51 : 13,711.30 = 5,459.39 : x
  2. Step 2: Convert to fraction form
    9,935.51/13,711.30 = 5,459.39/x
  3. Step 3: Cross multiply
    9,935.51x = 13,711.30 × 5,459.39
  4. Step 4: Simplify right side
    9,935.51x = 74,855,354.74
  5. Step 5: Solve for x
    x = 74,855,354.74/9,935.51
  6. Step 6: Final answer
    x = 7,534.13

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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.