Home / 12,403.36-17,117.04-7,097.76

Finding the Fourth Proportional to 12,403.36, 17,117.04 and 7,097.76

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Solution

The fourth proportional to 12,403.36, 17,117.04 and 7,097.76 is: 9,795.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.36 : 17,117.04 = 7,097.76 : x
  2. Step 2: Convert to fraction form
    12,403.36/17,117.04 = 7,097.76/x
  3. Step 3: Cross multiply
    12,403.36x = 17,117.04 × 7,097.76
  4. Step 4: Simplify right side
    12,403.36x = 121,492,641.83
  5. Step 5: Solve for x
    x = 121,492,641.83/12,403.36
  6. Step 6: Final answer
    x = 9,795.14

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Double scale
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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.