Home / 10,926.16-15,078.36-6,210.40

Finding the Fourth Proportional to 10,926.16, 15,078.36 and 6,210.40

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Solution

The fourth proportional to 10,926.16, 15,078.36 and 6,210.40 is: 8,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.16 : 15,078.36 = 6,210.40 : x
  2. Step 2: Convert to fraction form
    10,926.16/15,078.36 = 6,210.40/x
  3. Step 3: Cross multiply
    10,926.16x = 15,078.36 × 6,210.40
  4. Step 4: Simplify right side
    10,926.16x = 93,642,646.94
  5. Step 5: Solve for x
    x = 93,642,646.94/10,926.16
  6. Step 6: Final answer
    x = 8,570.50

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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.