Home / 12,318.02-16,994.65-7,011.51

Finding the Fourth Proportional to 12,318.02, 16,994.65 and 7,011.51

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Solution

The fourth proportional to 12,318.02, 16,994.65 and 7,011.51 is: 9,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318.02 : 16,994.65 = 7,011.51 : x
  2. Step 2: Convert to fraction form
    12,318.02/16,994.65 = 7,011.51/x
  3. Step 3: Cross multiply
    12,318.02x = 16,994.65 × 7,011.51
  4. Step 4: Simplify right side
    12,318.02x = 119,158,158.42
  5. Step 5: Solve for x
    x = 119,158,158.42/12,318.02
  6. Step 6: Final answer
    x = 9,673.48

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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.