Home / 12,130.95-16,735.77-9,746.93

Finding the Fourth Proportional to 12,130.95, 16,735.77 and 9,746.93

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Solution

The fourth proportional to 12,130.95, 16,735.77 and 9,746.93 is: 13,446.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.95 : 16,735.77 = 9,746.93 : x
  2. Step 2: Convert to fraction form
    12,130.95/16,735.77 = 9,746.93/x
  3. Step 3: Cross multiply
    12,130.95x = 16,735.77 × 9,746.93
  4. Step 4: Simplify right side
    12,130.95x = 163,122,295.01
  5. Step 5: Solve for x
    x = 163,122,295.01/12,130.95
  6. Step 6: Final answer
    x = 13,446.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.