Home / 11,965.16-16,490.64-10,590.32

Finding the Fourth Proportional to 11,965.16, 16,490.64 and 10,590.32

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Solution

The fourth proportional to 11,965.16, 16,490.64 and 10,590.32 is: 14,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.16 : 16,490.64 = 10,590.32 : x
  2. Step 2: Convert to fraction form
    11,965.16/16,490.64 = 10,590.32/x
  3. Step 3: Cross multiply
    11,965.16x = 16,490.64 × 10,590.32
  4. Step 4: Simplify right side
    11,965.16x = 174,641,154.60
  5. Step 5: Solve for x
    x = 174,641,154.60/11,965.16
  6. Step 6: Final answer
    x = 14,595.81

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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.