Home / 13,263.94-18,303.78-7,295.05

Finding the Fourth Proportional to 13,263.94, 18,303.78 and 7,295.05

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Solution

The fourth proportional to 13,263.94, 18,303.78 and 7,295.05 is: 10,066.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.94 : 18,303.78 = 7,295.05 : x
  2. Step 2: Convert to fraction form
    13,263.94/18,303.78 = 7,295.05/x
  3. Step 3: Cross multiply
    13,263.94x = 18,303.78 × 7,295.05
  4. Step 4: Simplify right side
    13,263.94x = 133,526,990.29
  5. Step 5: Solve for x
    x = 133,526,990.29/13,263.94
  6. Step 6: Final answer
    x = 10,066.92

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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.