Home / 13,303.15-18,358.25-7,253.37

Finding the Fourth Proportional to 13,303.15, 18,358.25 and 7,253.37

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Solution

The fourth proportional to 13,303.15, 18,358.25 and 7,253.37 is: 10,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.15 : 18,358.25 = 7,253.37 : x
  2. Step 2: Convert to fraction form
    13,303.15/18,358.25 = 7,253.37/x
  3. Step 3: Cross multiply
    13,303.15x = 18,358.25 × 7,253.37
  4. Step 4: Simplify right side
    13,303.15x = 133,159,179.80
  5. Step 5: Solve for x
    x = 133,159,179.80/13,303.15
  6. Step 6: Final answer
    x = 10,009.60

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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.