Home / 8,988.16-13,480.08-4,603.36

Finding the Fourth Proportional to 8,988.16, 13,480.08 and 4,603.36

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Solution

The fourth proportional to 8,988.16, 13,480.08 and 4,603.36 is: 6,903.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.16 : 13,480.08 = 4,603.36 : x
  2. Step 2: Convert to fraction form
    8,988.16/13,480.08 = 4,603.36/x
  3. Step 3: Cross multiply
    8,988.16x = 13,480.08 × 4,603.36
  4. Step 4: Simplify right side
    8,988.16x = 62,053,712.03
  5. Step 5: Solve for x
    x = 62,053,712.03/8,988.16
  6. Step 6: Final answer
    x = 6,903.94

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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.