Home / 10,187.15-14,058.50-5,710.68

Finding the Fourth Proportional to 10,187.15, 14,058.50 and 5,710.68

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Solution

The fourth proportional to 10,187.15, 14,058.50 and 5,710.68 is: 7,880.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.15 : 14,058.50 = 5,710.68 : x
  2. Step 2: Convert to fraction form
    10,187.15/14,058.50 = 5,710.68/x
  3. Step 3: Cross multiply
    10,187.15x = 14,058.50 × 5,710.68
  4. Step 4: Simplify right side
    10,187.15x = 80,283,566.23
  5. Step 5: Solve for x
    x = 80,283,566.23/10,187.15
  6. Step 6: Final answer
    x = 7,880.87

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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.