Home / 12,570.06-17,346.60-6,904.80

Finding the Fourth Proportional to 12,570.06, 17,346.60 and 6,904.80

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Solution

The fourth proportional to 12,570.06, 17,346.60 and 6,904.80 is: 9,528.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.06 : 17,346.60 = 6,904.80 : x
  2. Step 2: Convert to fraction form
    12,570.06/17,346.60 = 6,904.80/x
  3. Step 3: Cross multiply
    12,570.06x = 17,346.60 × 6,904.80
  4. Step 4: Simplify right side
    12,570.06x = 119,774,803.68
  5. Step 5: Solve for x
    x = 119,774,803.68/12,570.06
  6. Step 6: Final answer
    x = 9,528.58

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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.