Home / 10,374.48-15,548.76-6,666.84

Finding the Fourth Proportional to 10,374.48, 15,548.76 and 6,666.84

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Solution

The fourth proportional to 10,374.48, 15,548.76 and 6,666.84 is: 9,991.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374.48 : 15,548.76 = 6,666.84 : x
  2. Step 2: Convert to fraction form
    10,374.48/15,548.76 = 6,666.84/x
  3. Step 3: Cross multiply
    10,374.48x = 15,548.76 × 6,666.84
  4. Step 4: Simplify right side
    10,374.48x = 103,661,095.12
  5. Step 5: Solve for x
    x = 103,661,095.12/10,374.48
  6. Step 6: Final answer
    x = 9,991.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.