Home / 10,788.90-14,851.26-9,301.74

Finding the Fourth Proportional to 10,788.90, 14,851.26 and 9,301.74

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Solution

The fourth proportional to 10,788.90, 14,851.26 and 9,301.74 is: 12,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.90 : 14,851.26 = 9,301.74 : x
  2. Step 2: Convert to fraction form
    10,788.90/14,851.26 = 9,301.74/x
  3. Step 3: Cross multiply
    10,788.90x = 14,851.26 × 9,301.74
  4. Step 4: Simplify right side
    10,788.90x = 138,142,559.19
  5. Step 5: Solve for x
    x = 138,142,559.19/10,788.90
  6. Step 6: Final answer
    x = 12,804.14

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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.