Home / 9,037.36-13,545.24-5,136.40

Finding the Fourth Proportional to 9,037.36, 13,545.24 and 5,136.40

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Solution

The fourth proportional to 9,037.36, 13,545.24 and 5,136.40 is: 7,698.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,037.36 : 13,545.24 = 5,136.40 : x
  2. Step 2: Convert to fraction form
    9,037.36/13,545.24 = 5,136.40/x
  3. Step 3: Cross multiply
    9,037.36x = 13,545.24 × 5,136.40
  4. Step 4: Simplify right side
    9,037.36x = 69,573,770.74
  5. Step 5: Solve for x
    x = 69,573,770.74/9,037.36
  6. Step 6: Final answer
    x = 7,698.46

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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.