Home / 10,381.05-14,328.14-6,603.48

Finding the Fourth Proportional to 10,381.05, 14,328.14 and 6,603.48

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Solution

The fourth proportional to 10,381.05, 14,328.14 and 6,603.48 is: 9,114.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.05 : 14,328.14 = 6,603.48 : x
  2. Step 2: Convert to fraction form
    10,381.05/14,328.14 = 6,603.48/x
  3. Step 3: Cross multiply
    10,381.05x = 14,328.14 × 6,603.48
  4. Step 4: Simplify right side
    10,381.05x = 94,615,585.93
  5. Step 5: Solve for x
    x = 94,615,585.93/10,381.05
  6. Step 6: Final answer
    x = 9,114.26

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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.