Home / 10,374.28-14,316.55-5,658.66

Finding the Fourth Proportional to 10,374.28, 14,316.55 and 5,658.66

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Solution

The fourth proportional to 10,374.28, 14,316.55 and 5,658.66 is: 7,808.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374.28 : 14,316.55 = 5,658.66 : x
  2. Step 2: Convert to fraction form
    10,374.28/14,316.55 = 5,658.66/x
  3. Step 3: Cross multiply
    10,374.28x = 14,316.55 × 5,658.66
  4. Step 4: Simplify right side
    10,374.28x = 81,012,474.68
  5. Step 5: Solve for x
    x = 81,012,474.68/10,374.28
  6. Step 6: Final answer
    x = 7,808.98

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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.