Home / 9,742.95-13,445.09-5,493.94

Finding the Fourth Proportional to 9,742.95, 13,445.09 and 5,493.94

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Solution

The fourth proportional to 9,742.95, 13,445.09 and 5,493.94 is: 7,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.95 : 13,445.09 = 5,493.94 : x
  2. Step 2: Convert to fraction form
    9,742.95/13,445.09 = 5,493.94/x
  3. Step 3: Cross multiply
    9,742.95x = 13,445.09 × 5,493.94
  4. Step 4: Simplify right side
    9,742.95x = 73,866,552.90
  5. Step 5: Solve for x
    x = 73,866,552.90/9,742.95
  6. Step 6: Final answer
    x = 7,581.54

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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.