Home / 10,117.06-13,961.60-5,870.64

Finding the Fourth Proportional to 10,117.06, 13,961.60 and 5,870.64

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Solution

The fourth proportional to 10,117.06, 13,961.60 and 5,870.64 is: 8,101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.06 : 13,961.60 = 5,870.64 : x
  2. Step 2: Convert to fraction form
    10,117.06/13,961.60 = 5,870.64/x
  3. Step 3: Cross multiply
    10,117.06x = 13,961.60 × 5,870.64
  4. Step 4: Simplify right side
    10,117.06x = 81,963,527.42
  5. Step 5: Solve for x
    x = 81,963,527.42/10,117.06
  6. Step 6: Final answer
    x = 8,101.52

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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.