Home / 11,852.90-16,356.84-6,547.76

Finding the Fourth Proportional to 11,852.90, 16,356.84 and 6,547.76

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Solution

The fourth proportional to 11,852.90, 16,356.84 and 6,547.76 is: 9,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.90 : 16,356.84 = 6,547.76 : x
  2. Step 2: Convert to fraction form
    11,852.90/16,356.84 = 6,547.76/x
  3. Step 3: Cross multiply
    11,852.90x = 16,356.84 × 6,547.76
  4. Step 4: Simplify right side
    11,852.90x = 107,100,662.68
  5. Step 5: Solve for x
    x = 107,100,662.68/11,852.90
  6. Step 6: Final answer
    x = 9,035.82

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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.