Home / 10,345.04-14,275.86-5,629.22

Finding the Fourth Proportional to 10,345.04, 14,275.86 and 5,629.22

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Solution

The fourth proportional to 10,345.04, 14,275.86 and 5,629.22 is: 7,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.04 : 14,275.86 = 5,629.22 : x
  2. Step 2: Convert to fraction form
    10,345.04/14,275.86 = 5,629.22/x
  3. Step 3: Cross multiply
    10,345.04x = 14,275.86 × 5,629.22
  4. Step 4: Simplify right side
    10,345.04x = 80,361,885.25
  5. Step 5: Solve for x
    x = 80,361,885.25/10,345.04
  6. Step 6: Final answer
    x = 7,768.16

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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.