Home / 12,263.40-18,393.08-4,867.36

Finding the Fourth Proportional to 12,263.40, 18,393.08 and 4,867.36

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Solution

The fourth proportional to 12,263.40, 18,393.08 and 4,867.36 is: 7,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.40 : 18,393.08 = 4,867.36 : x
  2. Step 2: Convert to fraction form
    12,263.40/18,393.08 = 4,867.36/x
  3. Step 3: Cross multiply
    12,263.40x = 18,393.08 × 4,867.36
  4. Step 4: Simplify right side
    12,263.40x = 89,525,671.55
  5. Step 5: Solve for x
    x = 89,525,671.55/12,263.40
  6. Step 6: Final answer
    x = 7,300.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.