Home / 10,235.18-14,123.55-5,758.84

Finding the Fourth Proportional to 10,235.18, 14,123.55 and 5,758.84

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Solution

The fourth proportional to 10,235.18, 14,123.55 and 5,758.84 is: 7,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.18 : 14,123.55 = 5,758.84 : x
  2. Step 2: Convert to fraction form
    10,235.18/14,123.55 = 5,758.84/x
  3. Step 3: Cross multiply
    10,235.18x = 14,123.55 × 5,758.84
  4. Step 4: Simplify right side
    10,235.18x = 81,335,264.68
  5. Step 5: Solve for x
    x = 81,335,264.68/10,235.18
  6. Step 6: Final answer
    x = 7,946.64

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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.