Home / 11,701.53-16,148.36-6,397.18

Finding the Fourth Proportional to 11,701.53, 16,148.36 and 6,397.18

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Solution

The fourth proportional to 11,701.53, 16,148.36 and 6,397.18 is: 8,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.53 : 16,148.36 = 6,397.18 : x
  2. Step 2: Convert to fraction form
    11,701.53/16,148.36 = 6,397.18/x
  3. Step 3: Cross multiply
    11,701.53x = 16,148.36 × 6,397.18
  4. Step 4: Simplify right side
    11,701.53x = 103,303,941.25
  5. Step 5: Solve for x
    x = 103,303,941.25/11,701.53
  6. Step 6: Final answer
    x = 8,828.24

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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.