Home / 10,619.06-14,668.06-8,085.74

Finding the Fourth Proportional to 10,619.06, 14,668.06 and 8,085.74

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Solution

The fourth proportional to 10,619.06, 14,668.06 and 8,085.74 is: 11,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.06 : 14,668.06 = 8,085.74 : x
  2. Step 2: Convert to fraction form
    10,619.06/14,668.06 = 8,085.74/x
  3. Step 3: Cross multiply
    10,619.06x = 14,668.06 × 8,085.74
  4. Step 4: Simplify right side
    10,619.06x = 118,602,119.46
  5. Step 5: Solve for x
    x = 118,602,119.46/10,619.06
  6. Step 6: Final answer
    x = 11,168.80

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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.