Home / 10,898.32-15,036.48-6,360.16

Finding the Fourth Proportional to 10,898.32, 15,036.48 and 6,360.16

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Solution

The fourth proportional to 10,898.32, 15,036.48 and 6,360.16 is: 8,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.32 : 15,036.48 = 6,360.16 : x
  2. Step 2: Convert to fraction form
    10,898.32/15,036.48 = 6,360.16/x
  3. Step 3: Cross multiply
    10,898.32x = 15,036.48 × 6,360.16
  4. Step 4: Simplify right side
    10,898.32x = 95,634,418.64
  5. Step 5: Solve for x
    x = 95,634,418.64/10,898.32
  6. Step 6: Final answer
    x = 8,775.15

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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.