Home / 9,316.09-12,856.08-5,337.10

Finding the Fourth Proportional to 9,316.09, 12,856.08 and 5,337.10

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Solution

The fourth proportional to 9,316.09, 12,856.08 and 5,337.10 is: 7,365.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.09 : 12,856.08 = 5,337.10 : x
  2. Step 2: Convert to fraction form
    9,316.09/12,856.08 = 5,337.10/x
  3. Step 3: Cross multiply
    9,316.09x = 12,856.08 × 5,337.10
  4. Step 4: Simplify right side
    9,316.09x = 68,614,184.57
  5. Step 5: Solve for x
    x = 68,614,184.57/9,316.09
  6. Step 6: Final answer
    x = 7,365.13

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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.