Home / 12,360.67-18,543.40-4,038.46

Finding the Fourth Proportional to 12,360.67, 18,543.40 and 4,038.46

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Solution

The fourth proportional to 12,360.67, 18,543.40 and 4,038.46 is: 6,058.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.67 : 18,543.40 = 4,038.46 : x
  2. Step 2: Convert to fraction form
    12,360.67/18,543.40 = 4,038.46/x
  3. Step 3: Cross multiply
    12,360.67x = 18,543.40 × 4,038.46
  4. Step 4: Simplify right side
    12,360.67x = 74,886,722.71
  5. Step 5: Solve for x
    x = 74,886,722.71/12,360.67
  6. Step 6: Final answer
    x = 6,058.47

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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.