Home / 12,011.18-16,560.02-9,849.77

Finding the Fourth Proportional to 12,011.18, 16,560.02 and 9,849.77

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Solution

The fourth proportional to 12,011.18, 16,560.02 and 9,849.77 is: 13,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.18 : 16,560.02 = 9,849.77 : x
  2. Step 2: Convert to fraction form
    12,011.18/16,560.02 = 9,849.77/x
  3. Step 3: Cross multiply
    12,011.18x = 16,560.02 × 9,849.77
  4. Step 4: Simplify right side
    12,011.18x = 163,112,388.20
  5. Step 5: Solve for x
    x = 163,112,388.20/12,011.18
  6. Step 6: Final answer
    x = 13,580.05

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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.