Home / 10,358.13-14,299.52-7,018.59

Finding the Fourth Proportional to 10,358.13, 14,299.52 and 7,018.59

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Solution

The fourth proportional to 10,358.13, 14,299.52 and 7,018.59 is: 9,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.13 : 14,299.52 = 7,018.59 : x
  2. Step 2: Convert to fraction form
    10,358.13/14,299.52 = 7,018.59/x
  3. Step 3: Cross multiply
    10,358.13x = 14,299.52 × 7,018.59
  4. Step 4: Simplify right side
    10,358.13x = 100,362,432.98
  5. Step 5: Solve for x
    x = 100,362,432.98/10,358.13
  6. Step 6: Final answer
    x = 9,689.24

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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.