Home / 10,512.12-14,513.48-6,538.64

Finding the Fourth Proportional to 10,512.12, 14,513.48 and 6,538.64

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Solution

The fourth proportional to 10,512.12, 14,513.48 and 6,538.64 is: 9,027.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.12 : 14,513.48 = 6,538.64 : x
  2. Step 2: Convert to fraction form
    10,512.12/14,513.48 = 6,538.64/x
  3. Step 3: Cross multiply
    10,512.12x = 14,513.48 × 6,538.64
  4. Step 4: Simplify right side
    10,512.12x = 94,898,420.87
  5. Step 5: Solve for x
    x = 94,898,420.87/10,512.12
  6. Step 6: Final answer
    x = 9,027.52

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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.