Home / 12,570.04-17,346.18-6,981.40

Finding the Fourth Proportional to 12,570.04, 17,346.18 and 6,981.40

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Solution

The fourth proportional to 12,570.04, 17,346.18 and 6,981.40 is: 9,634.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.04 : 17,346.18 = 6,981.40 : x
  2. Step 2: Convert to fraction form
    12,570.04/17,346.18 = 6,981.40/x
  3. Step 3: Cross multiply
    12,570.04x = 17,346.18 × 6,981.40
  4. Step 4: Simplify right side
    12,570.04x = 121,100,621.05
  5. Step 5: Solve for x
    x = 121,100,621.05/12,570.04
  6. Step 6: Final answer
    x = 9,634.07

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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.