Home / 8,929.09-12,316.56-5,746.52

Finding the Fourth Proportional to 8,929.09, 12,316.56 and 5,746.52

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Solution

The fourth proportional to 8,929.09, 12,316.56 and 5,746.52 is: 7,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.09 : 12,316.56 = 5,746.52 : x
  2. Step 2: Convert to fraction form
    8,929.09/12,316.56 = 5,746.52/x
  3. Step 3: Cross multiply
    8,929.09x = 12,316.56 × 5,746.52
  4. Step 4: Simplify right side
    8,929.09x = 70,777,332.97
  5. Step 5: Solve for x
    x = 70,777,332.97/8,929.09
  6. Step 6: Final answer
    x = 7,926.60

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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.