Home / 13,303.32-18,358.29-7,253.61

Finding the Fourth Proportional to 13,303.32, 18,358.29 and 7,253.61

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Solution

The fourth proportional to 13,303.32, 18,358.29 and 7,253.61 is: 10,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.32 : 18,358.29 = 7,253.61 : x
  2. Step 2: Convert to fraction form
    13,303.32/18,358.29 = 7,253.61/x
  3. Step 3: Cross multiply
    13,303.32x = 18,358.29 × 7,253.61
  4. Step 4: Simplify right side
    13,303.32x = 133,163,875.93
  5. Step 5: Solve for x
    x = 133,163,875.93/13,303.32
  6. Step 6: Final answer
    x = 10,009.82

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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.