Home / 10,518.12-14,514.40-6,539.16

Finding the Fourth Proportional to 10,518.12, 14,514.40 and 6,539.16

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Solution

The fourth proportional to 10,518.12, 14,514.40 and 6,539.16 is: 9,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.12 : 14,514.40 = 6,539.16 : x
  2. Step 2: Convert to fraction form
    10,518.12/14,514.40 = 6,539.16/x
  3. Step 3: Cross multiply
    10,518.12x = 14,514.40 × 6,539.16
  4. Step 4: Simplify right side
    10,518.12x = 94,911,983.90
  5. Step 5: Solve for x
    x = 94,911,983.90/10,518.12
  6. Step 6: Final answer
    x = 9,023.66

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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.