Home / 12,430.93-18,646.45-5,035.53

Finding the Fourth Proportional to 12,430.93, 18,646.45 and 5,035.53

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Solution

The fourth proportional to 12,430.93, 18,646.45 and 5,035.53 is: 7,553.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.93 : 18,646.45 = 5,035.53 : x
  2. Step 2: Convert to fraction form
    12,430.93/18,646.45 = 5,035.53/x
  3. Step 3: Cross multiply
    12,430.93x = 18,646.45 × 5,035.53
  4. Step 4: Simplify right side
    12,430.93x = 93,894,733.19
  5. Step 5: Solve for x
    x = 93,894,733.19/12,430.93
  6. Step 6: Final answer
    x = 7,553.32

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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.