Home / 10,301.16-14,215.44-5,585.40

Finding the Fourth Proportional to 10,301.16, 14,215.44 and 5,585.40

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Solution

The fourth proportional to 10,301.16, 14,215.44 and 5,585.40 is: 7,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301.16 : 14,215.44 = 5,585.40 : x
  2. Step 2: Convert to fraction form
    10,301.16/14,215.44 = 5,585.40/x
  3. Step 3: Cross multiply
    10,301.16x = 14,215.44 × 5,585.40
  4. Step 4: Simplify right side
    10,301.16x = 79,398,918.58
  5. Step 5: Solve for x
    x = 79,398,918.58/10,301.16
  6. Step 6: Final answer
    x = 7,707.76

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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.