Home / 12,358.01-18,533.18-4,459.51

Finding the Fourth Proportional to 12,358.01, 18,533.18 and 4,459.51

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Solution

The fourth proportional to 12,358.01, 18,533.18 and 4,459.51 is: 6,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.01 : 18,533.18 = 4,459.51 : x
  2. Step 2: Convert to fraction form
    12,358.01/18,533.18 = 4,459.51/x
  3. Step 3: Cross multiply
    12,358.01x = 18,533.18 × 4,459.51
  4. Step 4: Simplify right side
    12,358.01x = 82,648,831.61
  5. Step 5: Solve for x
    x = 82,648,831.61/12,358.01
  6. Step 6: Final answer
    x = 6,687.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.