Home / 9,742.45-13,444.57-5,266.20

Finding the Fourth Proportional to 9,742.45, 13,444.57 and 5,266.20

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Solution

The fourth proportional to 9,742.45, 13,444.57 and 5,266.20 is: 7,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.45 : 13,444.57 = 5,266.20 : x
  2. Step 2: Convert to fraction form
    9,742.45/13,444.57 = 5,266.20/x
  3. Step 3: Cross multiply
    9,742.45x = 13,444.57 × 5,266.20
  4. Step 4: Simplify right side
    9,742.45x = 70,801,851.53
  5. Step 5: Solve for x
    x = 70,801,851.53/9,742.45
  6. Step 6: Final answer
    x = 7,267.35

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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.