Home / 12,346.66-17,036.56-7,498.87

Finding the Fourth Proportional to 12,346.66, 17,036.56 and 7,498.87

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Solution

The fourth proportional to 12,346.66, 17,036.56 and 7,498.87 is: 10,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.66 : 17,036.56 = 7,498.87 : x
  2. Step 2: Convert to fraction form
    12,346.66/17,036.56 = 7,498.87/x
  3. Step 3: Cross multiply
    12,346.66x = 17,036.56 × 7,498.87
  4. Step 4: Simplify right side
    12,346.66x = 127,754,871.74
  5. Step 5: Solve for x
    x = 127,754,871.74/12,346.66
  6. Step 6: Final answer
    x = 10,347.32

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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.