Home / 8,501.36-11,737.71-5,316.03

Finding the Fourth Proportional to 8,501.36, 11,737.71 and 5,316.03

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Solution

The fourth proportional to 8,501.36, 11,737.71 and 5,316.03 is: 7,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.36 : 11,737.71 = 5,316.03 : x
  2. Step 2: Convert to fraction form
    8,501.36/11,737.71 = 5,316.03/x
  3. Step 3: Cross multiply
    8,501.36x = 11,737.71 × 5,316.03
  4. Step 4: Simplify right side
    8,501.36x = 62,398,018.49
  5. Step 5: Solve for x
    x = 62,398,018.49/8,501.36
  6. Step 6: Final answer
    x = 7,339.77

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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.