Home / 8,502.48-11,743.92-6,140.88

Finding the Fourth Proportional to 8,502.48, 11,743.92 and 6,140.88

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Solution

The fourth proportional to 8,502.48, 11,743.92 and 6,140.88 is: 8,482.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.48 : 11,743.92 = 6,140.88 : x
  2. Step 2: Convert to fraction form
    8,502.48/11,743.92 = 6,140.88/x
  3. Step 3: Cross multiply
    8,502.48x = 11,743.92 × 6,140.88
  4. Step 4: Simplify right side
    8,502.48x = 72,118,003.45
  5. Step 5: Solve for x
    x = 72,118,003.45/8,502.48
  6. Step 6: Final answer
    x = 8,482.00

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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.