Home / 28,730.37-43,095.40-7,383.06

Finding the Fourth Proportional to 28,730.37, 43,095.40 and 7,383.06

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Solution

The fourth proportional to 28,730.37, 43,095.40 and 7,383.06 is: 11,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.37 : 43,095.40 = 7,383.06 : x
  2. Step 2: Convert to fraction form
    28,730.37/43,095.40 = 7,383.06/x
  3. Step 3: Cross multiply
    28,730.37x = 43,095.40 × 7,383.06
  4. Step 4: Simplify right side
    28,730.37x = 318,176,094.76
  5. Step 5: Solve for x
    x = 318,176,094.76/28,730.37
  6. Step 6: Final answer
    x = 11,074.56

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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.