Home / 10,529.96-14,533.62-7,180.77

Finding the Fourth Proportional to 10,529.96, 14,533.62 and 7,180.77

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Solution

The fourth proportional to 10,529.96, 14,533.62 and 7,180.77 is: 9,911.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.96 : 14,533.62 = 7,180.77 : x
  2. Step 2: Convert to fraction form
    10,529.96/14,533.62 = 7,180.77/x
  3. Step 3: Cross multiply
    10,529.96x = 14,533.62 × 7,180.77
  4. Step 4: Simplify right side
    10,529.96x = 104,362,582.49
  5. Step 5: Solve for x
    x = 104,362,582.49/10,529.96
  6. Step 6: Final answer
    x = 9,911.01

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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.