Home / 12,303.48-18,456.29-5,283.81

Finding the Fourth Proportional to 12,303.48, 18,456.29 and 5,283.81

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Solution

The fourth proportional to 12,303.48, 18,456.29 and 5,283.81 is: 7,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.48 : 18,456.29 = 5,283.81 : x
  2. Step 2: Convert to fraction form
    12,303.48/18,456.29 = 5,283.81/x
  3. Step 3: Cross multiply
    12,303.48x = 18,456.29 × 5,283.81
  4. Step 4: Simplify right side
    12,303.48x = 97,519,503.25
  5. Step 5: Solve for x
    x = 97,519,503.25/12,303.48
  6. Step 6: Final answer
    x = 7,926.17

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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.