Home / 10,345.14-14,270.30-7,509.24

Finding the Fourth Proportional to 10,345.14, 14,270.30 and 7,509.24

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Solution

The fourth proportional to 10,345.14, 14,270.30 and 7,509.24 is: 10,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.14 : 14,270.30 = 7,509.24 : x
  2. Step 2: Convert to fraction form
    10,345.14/14,270.30 = 7,509.24/x
  3. Step 3: Cross multiply
    10,345.14x = 14,270.30 × 7,509.24
  4. Step 4: Simplify right side
    10,345.14x = 107,159,107.57
  5. Step 5: Solve for x
    x = 107,159,107.57/10,345.14
  6. Step 6: Final answer
    x = 10,358.40

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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.