Home / 10,315.60-14,235.60-5,839.36

Finding the Fourth Proportional to 10,315.60, 14,235.60 and 5,839.36

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Solution

The fourth proportional to 10,315.60, 14,235.60 and 5,839.36 is: 8,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.60 : 14,235.60 = 5,839.36 : x
  2. Step 2: Convert to fraction form
    10,315.60/14,235.60 = 5,839.36/x
  3. Step 3: Cross multiply
    10,315.60x = 14,235.60 × 5,839.36
  4. Step 4: Simplify right side
    10,315.60x = 83,126,793.22
  5. Step 5: Solve for x
    x = 83,126,793.22/10,315.60
  6. Step 6: Final answer
    x = 8,058.36

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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.