Home / 10,423.51-14,383.15-8,304.43

Finding the Fourth Proportional to 10,423.51, 14,383.15 and 8,304.43

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Solution

The fourth proportional to 10,423.51, 14,383.15 and 8,304.43 is: 11,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.51 : 14,383.15 = 8,304.43 : x
  2. Step 2: Convert to fraction form
    10,423.51/14,383.15 = 8,304.43/x
  3. Step 3: Cross multiply
    10,423.51x = 14,383.15 × 8,304.43
  4. Step 4: Simplify right side
    10,423.51x = 119,443,862.35
  5. Step 5: Solve for x
    x = 119,443,862.35/10,423.51
  6. Step 6: Final answer
    x = 11,459.08

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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.