Home / 31,117.16-46,675.75-7,743.60

Finding the Fourth Proportional to 31,117.16, 46,675.75 and 7,743.60

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Solution

The fourth proportional to 31,117.16, 46,675.75 and 7,743.60 is: 11,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,117.16 : 46,675.75 = 7,743.60 : x
  2. Step 2: Convert to fraction form
    31,117.16/46,675.75 = 7,743.60/x
  3. Step 3: Cross multiply
    31,117.16x = 46,675.75 × 7,743.60
  4. Step 4: Simplify right side
    31,117.16x = 361,438,337.70
  5. Step 5: Solve for x
    x = 361,438,337.70/31,117.16
  6. Step 6: Final answer
    x = 11,615.40

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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.