Home / 9,599.40-13,247.16-5,407.68

Finding the Fourth Proportional to 9,599.40, 13,247.16 and 5,407.68

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Solution

The fourth proportional to 9,599.40, 13,247.16 and 5,407.68 is: 7,462.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,599.40 : 13,247.16 = 5,407.68 : x
  2. Step 2: Convert to fraction form
    9,599.40/13,247.16 = 5,407.68/x
  3. Step 3: Cross multiply
    9,599.40x = 13,247.16 × 5,407.68
  4. Step 4: Simplify right side
    9,599.40x = 71,636,402.19
  5. Step 5: Solve for x
    x = 71,636,402.19/9,599.40
  6. Step 6: Final answer
    x = 7,462.59

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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.