Home / 10,287.93-14,197.35-5,572.23

Finding the Fourth Proportional to 10,287.93, 14,197.35 and 5,572.23

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Solution

The fourth proportional to 10,287.93, 14,197.35 and 5,572.23 is: 7,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.93 : 14,197.35 = 5,572.23 : x
  2. Step 2: Convert to fraction form
    10,287.93/14,197.35 = 5,572.23/x
  3. Step 3: Cross multiply
    10,287.93x = 14,197.35 × 5,572.23
  4. Step 4: Simplify right side
    10,287.93x = 79,110,899.59
  5. Step 5: Solve for x
    x = 79,110,899.59/10,287.93
  6. Step 6: Final answer
    x = 7,689.68

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Double scale
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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.