Home / 31,111.86-46,670.13-8,925.06

Finding the Fourth Proportional to 31,111.86, 46,670.13 and 8,925.06

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Solution

The fourth proportional to 31,111.86, 46,670.13 and 8,925.06 is: 13,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,111.86 : 46,670.13 = 8,925.06 : x
  2. Step 2: Convert to fraction form
    31,111.86/46,670.13 = 8,925.06/x
  3. Step 3: Cross multiply
    31,111.86x = 46,670.13 × 8,925.06
  4. Step 4: Simplify right side
    31,111.86x = 416,533,710.46
  5. Step 5: Solve for x
    x = 416,533,710.46/31,111.86
  6. Step 6: Final answer
    x = 13,388.26

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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.