Home / 9,429.84-13,012.14-5,452.35

Finding the Fourth Proportional to 9,429.84, 13,012.14 and 5,452.35

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Solution

The fourth proportional to 9,429.84, 13,012.14 and 5,452.35 is: 7,523.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.84 : 13,012.14 = 5,452.35 : x
  2. Step 2: Convert to fraction form
    9,429.84/13,012.14 = 5,452.35/x
  3. Step 3: Cross multiply
    9,429.84x = 13,012.14 × 5,452.35
  4. Step 4: Simplify right side
    9,429.84x = 70,946,741.53
  5. Step 5: Solve for x
    x = 70,946,741.53/9,429.84
  6. Step 6: Final answer
    x = 7,523.64

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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.