Home / 10,935.21-15,088.23-6,954.87

Finding the Fourth Proportional to 10,935.21, 15,088.23 and 6,954.87

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Solution

The fourth proportional to 10,935.21, 15,088.23 and 6,954.87 is: 9,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.21 : 15,088.23 = 6,954.87 : x
  2. Step 2: Convert to fraction form
    10,935.21/15,088.23 = 6,954.87/x
  3. Step 3: Cross multiply
    10,935.21x = 15,088.23 × 6,954.87
  4. Step 4: Simplify right side
    10,935.21x = 104,936,678.18
  5. Step 5: Solve for x
    x = 104,936,678.18/10,935.21
  6. Step 6: Final answer
    x = 9,596.22

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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.