Home / 10,181.70-14,056.54-7,787.24

Finding the Fourth Proportional to 10,181.70, 14,056.54 and 7,787.24

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Solution

The fourth proportional to 10,181.70, 14,056.54 and 7,787.24 is: 10,750.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.70 : 14,056.54 = 7,787.24 : x
  2. Step 2: Convert to fraction form
    10,181.70/14,056.54 = 7,787.24/x
  3. Step 3: Cross multiply
    10,181.70x = 14,056.54 × 7,787.24
  4. Step 4: Simplify right side
    10,181.70x = 109,461,613.51
  5. Step 5: Solve for x
    x = 109,461,613.51/10,181.70
  6. Step 6: Final answer
    x = 10,750.82

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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.