Home / 9,729.18-13,424.16-6,193.08

Finding the Fourth Proportional to 9,729.18, 13,424.16 and 6,193.08

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Solution

The fourth proportional to 9,729.18, 13,424.16 and 6,193.08 is: 8,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,729.18 : 13,424.16 = 6,193.08 : x
  2. Step 2: Convert to fraction form
    9,729.18/13,424.16 = 6,193.08/x
  3. Step 3: Cross multiply
    9,729.18x = 13,424.16 × 6,193.08
  4. Step 4: Simplify right side
    9,729.18x = 83,136,896.81
  5. Step 5: Solve for x
    x = 83,136,896.81/9,729.18
  6. Step 6: Final answer
    x = 8,545.11

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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.