Home / 10,518.48-14,536.40-8,627.12

Finding the Fourth Proportional to 10,518.48, 14,536.40 and 8,627.12

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Solution

The fourth proportional to 10,518.48, 14,536.40 and 8,627.12 is: 11,922.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.48 : 14,536.40 = 8,627.12 : x
  2. Step 2: Convert to fraction form
    10,518.48/14,536.40 = 8,627.12/x
  3. Step 3: Cross multiply
    10,518.48x = 14,536.40 × 8,627.12
  4. Step 4: Simplify right side
    10,518.48x = 125,407,267.17
  5. Step 5: Solve for x
    x = 125,407,267.17/10,518.48
  6. Step 6: Final answer
    x = 11,922.57

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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.