Home / 9,428.51-13,008.41-5,448.17

Finding the Fourth Proportional to 9,428.51, 13,008.41 and 5,448.17

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Solution

The fourth proportional to 9,428.51, 13,008.41 and 5,448.17 is: 7,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.51 : 13,008.41 = 5,448.17 : x
  2. Step 2: Convert to fraction form
    9,428.51/13,008.41 = 5,448.17/x
  3. Step 3: Cross multiply
    9,428.51x = 13,008.41 × 5,448.17
  4. Step 4: Simplify right side
    9,428.51x = 70,871,950.45
  5. Step 5: Solve for x
    x = 70,871,950.45/9,428.51
  6. Step 6: Final answer
    x = 7,516.77

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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.