Home / 7,665.36-10,578.36-5,988.64

Finding the Fourth Proportional to 7,665.36, 10,578.36 and 5,988.64

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Solution

The fourth proportional to 7,665.36, 10,578.36 and 5,988.64 is: 8,264.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.36 : 10,578.36 = 5,988.64 : x
  2. Step 2: Convert to fraction form
    7,665.36/10,578.36 = 5,988.64/x
  3. Step 3: Cross multiply
    7,665.36x = 10,578.36 × 5,988.64
  4. Step 4: Simplify right side
    7,665.36x = 63,349,989.83
  5. Step 5: Solve for x
    x = 63,349,989.83/7,665.36
  6. Step 6: Final answer
    x = 8,264.45

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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.