Home / 43,285.36-64,928.12-10,453.36

Finding the Fourth Proportional to 43,285.36, 64,928.12 and 10,453.36

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Solution

The fourth proportional to 43,285.36, 64,928.12 and 10,453.36 is: 15,680.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,285.36 : 64,928.12 = 10,453.36 : x
  2. Step 2: Convert to fraction form
    43,285.36/64,928.12 = 10,453.36/x
  3. Step 3: Cross multiply
    43,285.36x = 64,928.12 × 10,453.36
  4. Step 4: Simplify right side
    43,285.36x = 678,717,012.48
  5. Step 5: Solve for x
    x = 678,717,012.48/43,285.36
  6. Step 6: Final answer
    x = 15,680.06

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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.