Home / 10,764.90-14,862.80-9,627.03

Finding the Fourth Proportional to 10,764.90, 14,862.80 and 9,627.03

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Solution

The fourth proportional to 10,764.90, 14,862.80 and 9,627.03 is: 13,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,764.90 : 14,862.80 = 9,627.03 : x
  2. Step 2: Convert to fraction form
    10,764.90/14,862.80 = 9,627.03/x
  3. Step 3: Cross multiply
    10,764.90x = 14,862.80 × 9,627.03
  4. Step 4: Simplify right side
    10,764.90x = 143,084,617.29
  5. Step 5: Solve for x
    x = 143,084,617.29/10,764.90
  6. Step 6: Final answer
    x = 13,291.77

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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.