Home / 13,312.24-18,370.95-7,343.83

Finding the Fourth Proportional to 13,312.24, 18,370.95 and 7,343.83

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Solution

The fourth proportional to 13,312.24, 18,370.95 and 7,343.83 is: 10,134.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.24 : 18,370.95 = 7,343.83 : x
  2. Step 2: Convert to fraction form
    13,312.24/18,370.95 = 7,343.83/x
  3. Step 3: Cross multiply
    13,312.24x = 18,370.95 × 7,343.83
  4. Step 4: Simplify right side
    13,312.24x = 134,913,133.74
  5. Step 5: Solve for x
    x = 134,913,133.74/13,312.24
  6. Step 6: Final answer
    x = 10,134.52

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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.