Home / 10,233.47-15,291.96-7,683.95

Finding the Fourth Proportional to 10,233.47, 15,291.96 and 7,683.95

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Solution

The fourth proportional to 10,233.47, 15,291.96 and 7,683.95 is: 11,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,233.47 : 15,291.96 = 7,683.95 : x
  2. Step 2: Convert to fraction form
    10,233.47/15,291.96 = 7,683.95/x
  3. Step 3: Cross multiply
    10,233.47x = 15,291.96 × 7,683.95
  4. Step 4: Simplify right side
    10,233.47x = 117,502,579.58
  5. Step 5: Solve for x
    x = 117,502,579.58/10,233.47
  6. Step 6: Final answer
    x = 11,482.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.