Home / 10,612.28-14,645.76-5,897.36

Finding the Fourth Proportional to 10,612.28, 14,645.76 and 5,897.36

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Solution

The fourth proportional to 10,612.28, 14,645.76 and 5,897.36 is: 8,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.28 : 14,645.76 = 5,897.36 : x
  2. Step 2: Convert to fraction form
    10,612.28/14,645.76 = 5,897.36/x
  3. Step 3: Cross multiply
    10,612.28x = 14,645.76 × 5,897.36
  4. Step 4: Simplify right side
    10,612.28x = 86,371,319.19
  5. Step 5: Solve for x
    x = 86,371,319.19/10,612.28
  6. Step 6: Final answer
    x = 8,138.81

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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.