Home / 43,312.56-64,968.85-10,480.56

Finding the Fourth Proportional to 43,312.56, 64,968.85 and 10,480.56

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Solution

The fourth proportional to 43,312.56, 64,968.85 and 10,480.56 is: 15,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,312.56 : 64,968.85 = 10,480.56 : x
  2. Step 2: Convert to fraction form
    43,312.56/64,968.85 = 10,480.56/x
  3. Step 3: Cross multiply
    43,312.56x = 64,968.85 × 10,480.56
  4. Step 4: Simplify right side
    43,312.56x = 680,909,930.56
  5. Step 5: Solve for x
    x = 680,909,930.56/43,312.56
  6. Step 6: Final answer
    x = 15,720.84

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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.