Home / 12,313.41-16,988.28-6,935.01

Finding the Fourth Proportional to 12,313.41, 16,988.28 and 6,935.01

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Solution

The fourth proportional to 12,313.41, 16,988.28 and 6,935.01 is: 9,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.41 : 16,988.28 = 6,935.01 : x
  2. Step 2: Convert to fraction form
    12,313.41/16,988.28 = 6,935.01/x
  3. Step 3: Cross multiply
    12,313.41x = 16,988.28 × 6,935.01
  4. Step 4: Simplify right side
    12,313.41x = 117,813,891.68
  5. Step 5: Solve for x
    x = 117,813,891.68/12,313.41
  6. Step 6: Final answer
    x = 9,567.93

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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.