Home / 12,534.81-17,297.13-6,868.65

Finding the Fourth Proportional to 12,534.81, 17,297.13 and 6,868.65

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Solution

The fourth proportional to 12,534.81, 17,297.13 and 6,868.65 is: 9,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.81 : 17,297.13 = 6,868.65 : x
  2. Step 2: Convert to fraction form
    12,534.81/17,297.13 = 6,868.65/x
  3. Step 3: Cross multiply
    12,534.81x = 17,297.13 × 6,868.65
  4. Step 4: Simplify right side
    12,534.81x = 118,807,931.97
  5. Step 5: Solve for x
    x = 118,807,931.97/12,534.81
  6. Step 6: Final answer
    x = 9,478.24

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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.