Home / 11,279.76-15,566.06-6,567.18

Finding the Fourth Proportional to 11,279.76, 15,566.06 and 6,567.18

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Solution

The fourth proportional to 11,279.76, 15,566.06 and 6,567.18 is: 9,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.76 : 15,566.06 = 6,567.18 : x
  2. Step 2: Convert to fraction form
    11,279.76/15,566.06 = 6,567.18/x
  3. Step 3: Cross multiply
    11,279.76x = 15,566.06 × 6,567.18
  4. Step 4: Simplify right side
    11,279.76x = 102,225,117.91
  5. Step 5: Solve for x
    x = 102,225,117.91/11,279.76
  6. Step 6: Final answer
    x = 9,062.70

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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.