Home / 10,558.10-14,569.70-5,777.96

Finding the Fourth Proportional to 10,558.10, 14,569.70 and 5,777.96

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Solution

The fourth proportional to 10,558.10, 14,569.70 and 5,777.96 is: 7,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.10 : 14,569.70 = 5,777.96 : x
  2. Step 2: Convert to fraction form
    10,558.10/14,569.70 = 5,777.96/x
  3. Step 3: Cross multiply
    10,558.10x = 14,569.70 × 5,777.96
  4. Step 4: Simplify right side
    10,558.10x = 84,183,143.81
  5. Step 5: Solve for x
    x = 84,183,143.81/10,558.10
  6. Step 6: Final answer
    x = 7,973.32

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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.